diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6ad8bea4..3b91bac0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,3 +1,6 @@
+default:
+  interruptible: true
+
 variables:
   GIT_SUBMODULE_STRATEGY: recursive
 
diff --git a/benches/DB1KiB.ts b/benches/DB1KiB.ts
index 8afb4cbc..98f916b4 100644
--- a/benches/DB1KiB.ts
+++ b/benches/DB1KiB.ts
@@ -11,11 +11,10 @@ const logger = new Logger('DB1KiB Bench', LogLevel.WARN, [new StreamHandler()]);
 
 async function main() {
   const dataDir = await fs.promises.mkdtemp(
-    path.join(os.tmpdir(), 'encryptedfs-benches-'),
+    path.join(os.tmpdir(), 'db-benches-'),
   );
   const dbPath = `${dataDir}/db`;
   const db = await DB.createDB({ dbPath, logger });
-  await db.start();
   const data0 = crypto.randomBytes(0);
   const data1KiB = crypto.randomBytes(1024);
   const summary = await b.suite(
diff --git a/benches/DB1MiB.ts b/benches/DB1MiB.ts
index 8fba9c4f..580d5979 100644
--- a/benches/DB1MiB.ts
+++ b/benches/DB1MiB.ts
@@ -11,11 +11,10 @@ const logger = new Logger('DB1MiB Bench', LogLevel.WARN, [new StreamHandler()]);
 
 async function main() {
   const dataDir = await fs.promises.mkdtemp(
-    path.join(os.tmpdir(), 'encryptedfs-benches-'),
+    path.join(os.tmpdir(), 'db-benches-'),
   );
   const dbPath = `${dataDir}/db`;
   const db = await DB.createDB({ dbPath, logger });
-  await db.start();
   const data0 = crypto.randomBytes(0);
   const data1MiB = crypto.randomBytes(1024 * 1024);
   const summary = await b.suite(
diff --git a/benches/DBLevel.ts b/benches/DBLevel.ts
new file mode 100644
index 00000000..2d2ac000
--- /dev/null
+++ b/benches/DBLevel.ts
@@ -0,0 +1,86 @@
+import os from 'os';
+import path from 'path';
+import fs from 'fs';
+import b from 'benny';
+import Logger, { LogLevel, StreamHandler } from '@matrixai/logger';
+import DB from '@/DB';
+import packageJson from '../package.json';
+
+const logger = new Logger('DBLevel Bench', LogLevel.WARN, [
+  new StreamHandler(),
+]);
+
+async function main() {
+  const dataDir = await fs.promises.mkdtemp(
+    path.join(os.tmpdir(), 'encryptedfs-benches-'),
+  );
+  const dbPath = `${dataDir}/db`;
+  const db = await DB.createDB({ dbPath, logger });
+  const summary = await b.suite(
+    'DBLevel',
+    b.add('create 1 sublevels', async () => {
+      let level;
+      for (let i = 0; i < 1; i++) {
+        level = await db.level(`level${i}`, level);
+      }
+    }),
+    b.add('create 2 sublevels', async () => {
+      let level;
+      for (let i = 0; i < 2; i++) {
+        level = await db.level(`level${i}`, level);
+      }
+    }),
+    b.add('create 3 sublevels', async () => {
+      let level;
+      for (let i = 0; i < 3; i++) {
+        level = await db.level(`level${i}`, level);
+      }
+    }),
+    b.add('create 4 sublevels', async () => {
+      let level;
+      for (let i = 0; i < 4; i++) {
+        level = await db.level(`level${i}`, level);
+      }
+    }),
+    b.add('get via sublevel', async () => {
+      await db.put(['level0'], 'hello', 'world');
+      return async () => {
+        const level = await db.level('level0');
+        await level.get('hello');
+      };
+    }),
+    b.add('get via key path concatenation', async () => {
+      await db.put(['level0'], 'hello', 'world');
+      return async () => {
+        await db.get(['level0'], 'hello');
+      };
+    }),
+    b.cycle(),
+    b.complete(),
+    b.save({
+      file: 'DBLevel',
+      folder: 'benches/results',
+      version: packageJson.version,
+      details: true,
+    }),
+    b.save({
+      file: 'DBLevel',
+      folder: 'benches/results',
+      format: 'chart.html',
+    }),
+  );
+  await db.stop();
+  await fs.promises.rm(dataDir, {
+    force: true,
+    recursive: true,
+  });
+  return summary;
+}
+
+if (require.main === module) {
+  (async () => {
+    await main();
+  })();
+}
+
+export default main;
diff --git a/benches/index.ts b/benches/index.ts
index 1232e30a..81765cc8 100644
--- a/benches/index.ts
+++ b/benches/index.ts
@@ -4,10 +4,12 @@ import fs from 'fs';
 import si from 'systeminformation';
 import DB1KiBBench from './DB1KiB';
 import DB1MiBBench from './DB1MiB';
+import DBLevelBench from './DBLevel';
 
 async function main(): Promise<void> {
   await DB1KiBBench();
   await DB1MiBBench();
+  await DBLevelBench();
   const systemData = await si.get({
     cpu: '*',
     osInfo: 'platform, distro, release, kernel, arch',
diff --git a/benches/results/DB1KiB.chart.html b/benches/results/DB1KiB.chart.html
index 215b09f2..f8e684c0 100644
--- a/benches/results/DB1KiB.chart.html
+++ b/benches/results/DB1KiB.chart.html
@@ -16,7 +16,7 @@
   </head>
   <body>
     <div style="max-width: 800px">
-      <canvas id="chart1641977642424" width="16" height="9"></canvas>
+      <canvas id="chart1648010273459" width="16" height="9"></canvas>
     </div>
     <script>
       const format = (num) => {
@@ -34,10 +34,10 @@
 
         return chunked.map((chunk) => chunk.join("")).join(" ");
       };
-      const ctx1641977642424 = document
-        .getElementById("chart1641977642424")
+      const ctx1648010273459 = document
+        .getElementById("chart1648010273459")
         .getContext("2d");
-      const chart1641977642424 = new Chart(ctx1641977642424, {
+      const chart1648010273459 = new Chart(ctx1648010273459, {
         type: "bar",
         data: {
           labels: [
@@ -48,7 +48,7 @@
           ],
           datasets: [
             {
-              data: [51174, 32018, 37253, 20855],
+              data: [50696, 32195, 35092, 17442],
               backgroundColor: [
                 "rgba(63, 142, 252, 0.8)",
                 "rgba(116, 165, 127, 0.8)",
diff --git a/benches/results/DB1KiB.json b/benches/results/DB1KiB.json
index d1286e79..78ab8d14 100644
--- a/benches/results/DB1KiB.json
+++ b/benches/results/DB1KiB.json
@@ -1,12 +1,12 @@
 {
   "name": "DB1KiB",
-  "date": "2022-01-12T08:54:02.424Z",
-  "version": "1.1.4",
+  "date": "2022-03-23T04:37:53.459Z",
+  "version": "1.2.1",
   "results": [
     {
       "name": "get 1 KiB of data",
-      "ops": 51174,
-      "margin": 2.08,
+      "ops": 50696,
+      "margin": 2.03,
       "options": {
         "delay": 0.005,
         "initCount": 1,
@@ -14,90 +14,94 @@
         "maxTime": 5,
         "minSamples": 5
       },
-      "samples": 71,
+      "samples": 75,
       "promise": true,
       "details": {
-        "min": 0.000015195773574251835,
-        "max": 0.00002939983039647577,
-        "mean": 0.00001954127503195382,
-        "median": 0.000019695049437537004,
-        "standardDeviation": 0.0000017483575345468919,
-        "marginOfError": 4.066840561771944e-7,
-        "relativeMarginOfError": 2.0811541494205783,
-        "standardErrorOfMean": 2.0749186539652776e-7,
-        "sampleVariance": 3.056754068606886e-12,
+        "min": 0.00001617511264885742,
+        "max": 0.00002475986188811189,
+        "mean": 0.00001972531898282393,
+        "median": 0.000019333210492436435,
+        "standardDeviation": 0.0000017682050781690357,
+        "marginOfError": 4.001824817224355e-7,
+        "relativeMarginOfError": 2.028775717497392,
+        "standardErrorOfMean": 2.0417473557267117e-7,
+        "sampleVariance": 3.1265491984627654e-12,
         "sampleResults": [
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-          0.00001544936645962733,
-          0.00001621418294849023,
-          0.000017021634399052695,
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+          0.000018847128214685055,
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+          0.000018916069599711506,
+          0.000018949632867132866,
+          0.00001901326387936943,
+          0.000019014000745434216,
+          0.000019071594755244753,
+          0.000019128966447848287,
+          0.000019158208561313163,
+          0.000019229702285162538,
+          0.000019333210492436435,
+          0.000019433851625362087,
+          0.000019730928548439008,
+          0.000019742637576631808,
+          0.00001979267106533634,
+          0.000019805305439330543,
+          0.000019876602188606374,
+          0.0000200243878339234,
+          0.00002016002317347924,
+          0.00002019277920823946,
+          0.000020202053105889926,
+          0.000020238239736638265,
+          0.000020256170934006492,
+          0.000020261328612809782,
+          0.00002040688928226585,
+          0.000020884440743609607,
+          0.000021003368522690698,
+          0.000021228297714837464,
+          0.00002126740898528273,
+          0.000021306483346243223,
+          0.000021314504260263363,
+          0.000021323852052672347,
+          0.00002138842835011619,
+          0.000021400696813646604,
+          0.0000214346700232378,
+          0.000021726908597986056,
+          0.000021732336948102247,
+          0.000021847862122385748,
+          0.00002199226413632843,
+          0.000022023073586367156,
+          0.00002211838574748257,
+          0.000022304245546088303,
+          0.00002246426181254841,
+          0.000022718772269558485,
+          0.000022725077459333852,
+          0.00002286956893880713,
+          0.000022930385360185903,
+          0.00002475986188811189
         ]
       },
       "completed": true,
@@ -105,8 +109,8 @@
     },
     {
       "name": "put 1 KiB of data",
-      "ops": 32018,
-      "margin": 1.46,
+      "ops": 32195,
+      "margin": 3.22,
       "options": {
         "delay": 0.005,
         "initCount": 1,
@@ -114,104 +118,97 @@
         "maxTime": 5,
         "minSamples": 5
       },
-      "samples": 76,
+      "samples": 69,
       "promise": true,
       "details": {
-        "min": 0.00002749155389375967,
-        "max": 0.00003679405340114431,
-        "mean": 0.000031232406748020846,
-        "median": 0.00003081493254155592,
-        "standardDeviation": 0.000002034432409677331,
-        "marginOfError": 4.573961881906566e-7,
-        "relativeMarginOfError": 1.4644922880291356,
-        "standardErrorOfMean": 2.333654021380901e-7,
-        "sampleVariance": 4.1389152295455105e-12,
+        "min": 0.000023674665798611113,
+        "max": 0.000047826388986013985,
+        "mean": 0.000031060326503424995,
+        "median": 0.000031130639756944444,
+        "standardDeviation": 0.000004236331196961925,
+        "marginOfError": 9.995889163962335e-7,
+        "relativeMarginOfError": 3.2182176716204505,
+        "standardErrorOfMean": 5.099943451001191e-7,
+        "sampleVariance": 1.7946502010352854e-11,
         "sampleResults": [
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         ]
       },
       "completed": true,
-      "percentSlower": 37.43
+      "percentSlower": 36.49
     },
     {
       "name": "put zero data",
-      "ops": 37253,
-      "margin": 1.54,
+      "ops": 35092,
+      "margin": 1.52,
       "options": {
         "delay": 0.005,
         "initCount": 1,
@@ -219,102 +216,104 @@
         "maxTime": 5,
         "minSamples": 5
       },
-      "samples": 74,
+      "samples": 76,
       "promise": true,
       "details": {
-        "min": 0.00002020434371395617,
-        "max": 0.000030359669454225354,
-        "mean": 0.000026843414649631834,
-        "median": 0.00002695583780809859,
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index 9972a465..abfa17b2 100644
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 							<ul class="tsd-index-list">
 								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external"><a href="DB.default.html#_initLock_" class="tsd-kind-icon">[init<wbr>Lock]</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><a href="DB.default.html#_dataDb" class="tsd-kind-icon">_data<wbr>Db</a></li>
 								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><a href="DB.default.html#_db" class="tsd-kind-icon">_db</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><a href="DB.default.html#_transactionsDb" class="tsd-kind-icon">_transactions<wbr>Db</a></li>
 								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><a href="DB.default.html#crypto" class="tsd-kind-icon">crypto</a></li>
 								<li class="tsd-kind-property tsd-parent-kind-class"><a href="DB.default.html#dbPath" class="tsd-kind-icon">db<wbr>Path</a></li>
 								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><a href="DB.default.html#fs" class="tsd-kind-icon">fs</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><a href="DB.default.html#lock" class="tsd-kind-icon">lock</a></li>
 								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><a href="DB.default.html#logger" class="tsd-kind-icon">logger</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><a href="DB.default.html#transactionCounter" class="tsd-kind-icon">transaction<wbr>Counter</a></li>
 								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><a href="DB.default.html#workerManager" class="tsd-kind-icon">worker<wbr>Manager</a></li>
 							</ul>
 						</section>
@@ -110,28 +112,34 @@ <h3>Accessors</h3>
 								<li class="tsd-kind-get-signature tsd-parent-kind-class tsd-is-external"><a href="DB.default.html#_destroyed_" class="tsd-kind-icon">[destroyed]</a></li>
 								<li class="tsd-kind-get-signature tsd-parent-kind-class tsd-is-external"><a href="DB.default.html#_running_" class="tsd-kind-icon">[running]</a></li>
 								<li class="tsd-kind-get-signature tsd-parent-kind-class tsd-is-external"><a href="DB.default.html#_status_" class="tsd-kind-icon">[status]</a></li>
+								<li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="DB.default.html#dataDb" class="tsd-kind-icon">data<wbr>Db</a></li>
 								<li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="DB.default.html#db" class="tsd-kind-icon">db</a></li>
-								<li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="DB.default.html#locked" class="tsd-kind-icon">locked</a></li>
+								<li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="DB.default.html#transactionsDb" class="tsd-kind-icon">transactions<wbr>Db</a></li>
 							</ul>
 						</section>
 						<section class="tsd-index-section ">
 							<h3>Methods</h3>
 							<ul class="tsd-index-list">
+								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-protected"><a href="DB.default.html#_level" class="tsd-kind-icon">_level</a></li>
 								<li class="tsd-kind-method tsd-parent-kind-class"><a href="DB.default.html#batch" class="tsd-kind-icon">batch</a></li>
+								<li class="tsd-kind-method tsd-parent-kind-class"><a href="DB.default.html#clear" class="tsd-kind-icon">clear</a></li>
 								<li class="tsd-kind-method tsd-parent-kind-class"><a href="DB.default.html#count" class="tsd-kind-icon">count</a></li>
 								<li class="tsd-kind-method tsd-parent-kind-class"><a href="DB.default.html#del" class="tsd-kind-icon">del</a></li>
 								<li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter"><a href="DB.default.html#deserializeDecrypt" class="tsd-kind-icon">deserialize<wbr>Decrypt</a></li>
 								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><a href="DB.default.html#destroy" class="tsd-kind-icon">destroy</a></li>
+								<li class="tsd-kind-method tsd-parent-kind-class"><a href="DB.default.html#dump" class="tsd-kind-icon">dump</a></li>
 								<li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter"><a href="DB.default.html#get" class="tsd-kind-icon">get</a></li>
+								<li class="tsd-kind-method tsd-parent-kind-class"><a href="DB.default.html#iterator" class="tsd-kind-icon">iterator</a></li>
 								<li class="tsd-kind-method tsd-parent-kind-class"><a href="DB.default.html#level" class="tsd-kind-icon">level</a></li>
 								<li class="tsd-kind-method tsd-parent-kind-class"><a href="DB.default.html#put" class="tsd-kind-icon">put</a></li>
 								<li class="tsd-kind-method tsd-parent-kind-class"><a href="DB.default.html#serializeEncrypt" class="tsd-kind-icon">serialize<wbr>Encrypt</a></li>
 								<li class="tsd-kind-method tsd-parent-kind-class"><a href="DB.default.html#setWorkerManager" class="tsd-kind-icon">set<wbr>Worker<wbr>Manager</a></li>
+								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-protected"><a href="DB.default.html#setupDb" class="tsd-kind-icon">setup<wbr>Db</a></li>
+								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-protected"><a href="DB.default.html#setupRootLevels" class="tsd-kind-icon">setup<wbr>Root<wbr>Levels</a></li>
 								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><a href="DB.default.html#start" class="tsd-kind-icon">start</a></li>
 								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><a href="DB.default.html#stop" class="tsd-kind-icon">stop</a></li>
-								<li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter"><a href="DB.default.html#transact" class="tsd-kind-icon">transact</a></li>
+								<li class="tsd-kind-method tsd-parent-kind-class"><a href="DB.default.html#transaction" class="tsd-kind-icon">transaction</a></li>
 								<li class="tsd-kind-method tsd-parent-kind-class"><a href="DB.default.html#unsetWorkerManager" class="tsd-kind-icon">unset<wbr>Worker<wbr>Manager</a></li>
-								<li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter"><a href="DB.default.html#withLocks" class="tsd-kind-icon">with<wbr>Locks</a></li>
 								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-static"><a href="DB.default.html#createDB" class="tsd-kind-icon">createDB</a></li>
 							</ul>
 						</section>
@@ -144,20 +152,20 @@ <h2>Constructors</h2>
 					<a name="constructor" class="tsd-anchor"></a>
 					<h3>constructor</h3>
 					<ul class="tsd-signatures tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited">
-						<li class="tsd-signature tsd-kind-icon">new default<span class="tsd-signature-symbol">(</span>__namedParameters<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">{ </span>crypto<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-symbol">{ </span>key<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">; </span>ops<span class="tsd-signature-symbol">: </span><a href="../modules/types.html#Crypto" class="tsd-signature-type" data-tsd-kind="Type alias">Crypto</a><span class="tsd-signature-symbol"> }</span><span class="tsd-signature-symbol">; </span>dbPath<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">; </span>fs<span class="tsd-signature-symbol">: </span><a href="../interfaces/types.FileSystem.html" class="tsd-signature-type" data-tsd-kind="Interface">FileSystem</a><span class="tsd-signature-symbol">; </span>lock<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">MutexInterface</span><span class="tsd-signature-symbol">; </span>logger<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Logger</span><span class="tsd-signature-symbol"> }</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="DB.default.html" class="tsd-signature-type" data-tsd-kind="Class">default</a></li>
+						<li class="tsd-signature tsd-kind-icon">new default<span class="tsd-signature-symbol">(</span>__namedParameters<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">{ </span>crypto<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-symbol">{ </span>key<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">; </span>ops<span class="tsd-signature-symbol">: </span><a href="../modules/types.html#Crypto" class="tsd-signature-type" data-tsd-kind="Type alias">Crypto</a><span class="tsd-signature-symbol"> }</span><span class="tsd-signature-symbol">; </span>dbPath<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">; </span>fs<span class="tsd-signature-symbol">: </span><a href="../interfaces/types.FileSystem.html" class="tsd-signature-type" data-tsd-kind="Interface">FileSystem</a><span class="tsd-signature-symbol">; </span>logger<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Logger</span><span class="tsd-signature-symbol"> }</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="DB.default.html" class="tsd-signature-type" data-tsd-kind="Class">default</a></li>
 					</ul>
 					<ul class="tsd-descriptions">
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<p>Inherited from CreateDestroyStartStop.constructor</p>
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L76">src/DB.ts:76</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L77">src/DB.ts:77</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
 							<ul class="tsd-parameters">
 								<li>
-									<h5>__namedParameters: <span class="tsd-signature-symbol">{ </span>crypto<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-symbol">{ </span>key<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">; </span>ops<span class="tsd-signature-symbol">: </span><a href="../modules/types.html#Crypto" class="tsd-signature-type" data-tsd-kind="Type alias">Crypto</a><span class="tsd-signature-symbol"> }</span><span class="tsd-signature-symbol">; </span>dbPath<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">; </span>fs<span class="tsd-signature-symbol">: </span><a href="../interfaces/types.FileSystem.html" class="tsd-signature-type" data-tsd-kind="Interface">FileSystem</a><span class="tsd-signature-symbol">; </span>lock<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">MutexInterface</span><span class="tsd-signature-symbol">; </span>logger<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Logger</span><span class="tsd-signature-symbol"> }</span></h5>
+									<h5>__namedParameters: <span class="tsd-signature-symbol">{ </span>crypto<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-symbol">{ </span>key<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">; </span>ops<span class="tsd-signature-symbol">: </span><a href="../modules/types.html#Crypto" class="tsd-signature-type" data-tsd-kind="Type alias">Crypto</a><span class="tsd-signature-symbol"> }</span><span class="tsd-signature-symbol">; </span>dbPath<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">; </span>fs<span class="tsd-signature-symbol">: </span><a href="../interfaces/types.FileSystem.html" class="tsd-signature-type" data-tsd-kind="Interface">FileSystem</a><span class="tsd-signature-symbol">; </span>logger<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Logger</span><span class="tsd-signature-symbol"> }</span></h5>
 									<ul class="tsd-parameters">
 										<li class="tsd-parameter">
 											<h5><span class="tsd-flag ts-flagOptional">Optional</span> crypto<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-symbol">{ </span>key<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">; </span>ops<span class="tsd-signature-symbol">: </span><a href="../modules/types.html#Crypto" class="tsd-signature-type" data-tsd-kind="Type alias">Crypto</a><span class="tsd-signature-symbol"> }</span></h5>
@@ -176,9 +184,6 @@ <h5>db<wbr>Path<span class="tsd-signature-symbol">: </span><span class="tsd-sign
 										<li class="tsd-parameter">
 											<h5>fs<span class="tsd-signature-symbol">: </span><a href="../interfaces/types.FileSystem.html" class="tsd-signature-type" data-tsd-kind="Interface">FileSystem</a></h5>
 										</li>
-										<li class="tsd-parameter">
-											<h5>lock<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">MutexInterface</span></h5>
-										</li>
 										<li class="tsd-parameter">
 											<h5>logger<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Logger</span></h5>
 										</li>
@@ -197,16 +202,36 @@ <h2>Properties</h2>
 					<h3><span class="tsd-flag ts-flagReadonly">Readonly</span> [init<wbr>Lock]</h3>
 					<div class="tsd-signature tsd-kind-icon">[init<wbr>Lock]<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">RWLock</span></div>
 					<aside class="tsd-sources">
-						<p>Inherited from CreateDestroyStartStop.__@initLock@39627</p>
+						<p>Inherited from CreateDestroyStartStop.__@initLock@39647</p>
 						<ul>
 							<li>Defined in node_modules/@matrixai/async-init/dist/CreateDestroyStartStop.d.ts:7</li>
 						</ul>
 					</aside>
 				</section>
+				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-protected">
+					<a name="_dataDb" class="tsd-anchor"></a>
+					<h3><span class="tsd-flag ts-flagProtected">Protected</span> _data<wbr>Db</h3>
+					<div class="tsd-signature tsd-kind-icon">_data<wbr>Db<span class="tsd-signature-symbol">:</span> <a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a></div>
+					<aside class="tsd-sources">
+						<ul>
+							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L73">src/DB.ts:73</a></li>
+						</ul>
+					</aside>
+				</section>
 				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-protected">
 					<a name="_db" class="tsd-anchor"></a>
 					<h3><span class="tsd-flag ts-flagProtected">Protected</span> _db</h3>
 					<div class="tsd-signature tsd-kind-icon">_db<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">LevelDB</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">&gt;</span></div>
+					<aside class="tsd-sources">
+						<ul>
+							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L72">src/DB.ts:72</a></li>
+						</ul>
+					</aside>
+				</section>
+				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-protected">
+					<a name="_transactionsDb" class="tsd-anchor"></a>
+					<h3><span class="tsd-flag ts-flagProtected">Protected</span> _transactions<wbr>Db</h3>
+					<div class="tsd-signature tsd-kind-icon">_transactions<wbr>Db<span class="tsd-signature-symbol">:</span> <a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a></div>
 					<aside class="tsd-sources">
 						<ul>
 							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L74">src/DB.ts:74</a></li>
@@ -219,7 +244,7 @@ <h3><span class="tsd-flag ts-flagProtected">Protected</span> <span class="tsd-fl
 					<div class="tsd-signature tsd-kind-icon">crypto<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">{ </span>key<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">; </span>ops<span class="tsd-signature-symbol">: </span><a href="../modules/types.html#Crypto" class="tsd-signature-type" data-tsd-kind="Type alias">Crypto</a><span class="tsd-signature-symbol"> }</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L66">src/DB.ts:66</a></li>
+							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L65">src/DB.ts:65</a></li>
 						</ul>
 					</aside>
 					<div class="tsd-type-declaration">
@@ -240,7 +265,7 @@ <h3><span class="tsd-flag ts-flagReadonly">Readonly</span> db<wbr>Path</h3>
 					<div class="tsd-signature tsd-kind-icon">db<wbr>Path<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L64">src/DB.ts:64</a></li>
+							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L63">src/DB.ts:63</a></li>
 						</ul>
 					</aside>
 				</section>
@@ -250,14 +275,14 @@ <h3><span class="tsd-flag ts-flagProtected">Protected</span> fs</h3>
 					<div class="tsd-signature tsd-kind-icon">fs<span class="tsd-signature-symbol">:</span> <a href="../interfaces/types.FileSystem.html" class="tsd-signature-type" data-tsd-kind="Interface">FileSystem</a></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L71">src/DB.ts:71</a></li>
+							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L69">src/DB.ts:69</a></li>
 						</ul>
 					</aside>
 				</section>
 				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-protected">
-					<a name="lock" class="tsd-anchor"></a>
-					<h3><span class="tsd-flag ts-flagProtected">Protected</span> lock</h3>
-					<div class="tsd-signature tsd-kind-icon">lock<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">MutexInterface</span></div>
+					<a name="logger" class="tsd-anchor"></a>
+					<h3><span class="tsd-flag ts-flagProtected">Protected</span> logger</h3>
+					<div class="tsd-signature tsd-kind-icon">logger<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">Logger</span></div>
 					<aside class="tsd-sources">
 						<ul>
 							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L70">src/DB.ts:70</a></li>
@@ -265,12 +290,12 @@ <h3><span class="tsd-flag ts-flagProtected">Protected</span> lock</h3>
 					</aside>
 				</section>
 				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-protected">
-					<a name="logger" class="tsd-anchor"></a>
-					<h3><span class="tsd-flag ts-flagProtected">Protected</span> logger</h3>
-					<div class="tsd-signature tsd-kind-icon">logger<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">Logger</span></div>
+					<a name="transactionCounter" class="tsd-anchor"></a>
+					<h3><span class="tsd-flag ts-flagProtected">Protected</span> transaction<wbr>Counter</h3>
+					<div class="tsd-signature tsd-kind-icon">transaction<wbr>Counter<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">number</span><span class="tsd-signature-symbol"> = 0</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L72">src/DB.ts:72</a></li>
+							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L75">src/DB.ts:75</a></li>
 						</ul>
 					</aside>
 				</section>
@@ -280,7 +305,7 @@ <h3><span class="tsd-flag ts-flagProtected">Protected</span> <span class="tsd-fl
 					<div class="tsd-signature tsd-kind-icon">worker<wbr>Manager<span class="tsd-signature-symbol">:</span> <a href="../modules/types.html#DBWorkerManagerInterface" class="tsd-signature-type" data-tsd-kind="Type alias">DBWorkerManagerInterface</a></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L73">src/DB.ts:73</a></li>
+							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L71">src/DB.ts:71</a></li>
 						</ul>
 					</aside>
 				</section>
@@ -338,43 +363,86 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Status</s
 						</li>
 					</ul>
 				</section>
+				<section class="tsd-panel tsd-member tsd-kind-get-signature tsd-parent-kind-class">
+					<a name="dataDb" class="tsd-anchor"></a>
+					<h3>data<wbr>Db</h3>
+					<ul class="tsd-signatures tsd-kind-get-signature tsd-parent-kind-class">
+						<li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">get</span> dataDb<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a></li>
+					</ul>
+					<ul class="tsd-descriptions">
+						<li class="tsd-description">
+							<aside class="tsd-sources">
+								<ul>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L101">src/DB.ts:101</a></li>
+								</ul>
+							</aside>
+							<h4 class="tsd-returns-title">Returns <a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a></h4>
+						</li>
+					</ul>
+				</section>
 				<section class="tsd-panel tsd-member tsd-kind-get-signature tsd-parent-kind-class">
 					<a name="db" class="tsd-anchor"></a>
 					<h3>db</h3>
 					<ul class="tsd-signatures tsd-kind-get-signature tsd-parent-kind-class">
-						<li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">get</span> db<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">LevelDB</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">&gt;</span></li>
+						<li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">get</span> db<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">LevelDB</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">&gt;</span></li>
 					</ul>
 					<ul class="tsd-descriptions">
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L99">src/DB.ts:99</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L97">src/DB.ts:97</a></li>
 								</ul>
 							</aside>
-							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">LevelDB</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">&gt;</span></h4>
+							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">LevelDB</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">&gt;</span></h4>
 						</li>
 					</ul>
 				</section>
 				<section class="tsd-panel tsd-member tsd-kind-get-signature tsd-parent-kind-class">
-					<a name="locked" class="tsd-anchor"></a>
-					<h3>locked</h3>
+					<a name="transactionsDb" class="tsd-anchor"></a>
+					<h3>transactions<wbr>Db</h3>
 					<ul class="tsd-signatures tsd-kind-get-signature tsd-parent-kind-class">
-						<li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">get</span> locked<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">boolean</span></li>
+						<li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">get</span> transactionsDb<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a></li>
 					</ul>
 					<ul class="tsd-descriptions">
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L103">src/DB.ts:103</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L105">src/DB.ts:105</a></li>
 								</ul>
 							</aside>
-							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4>
+							<h4 class="tsd-returns-title">Returns <a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a></h4>
 						</li>
 					</ul>
 				</section>
 			</section>
 			<section class="tsd-panel-group tsd-member-group ">
 				<h2>Methods</h2>
+				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-protected">
+					<a name="_level" class="tsd-anchor"></a>
+					<h3><span class="tsd-flag ts-flagProtected">Protected</span> _level</h3>
+					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-protected">
+						<li class="tsd-signature tsd-kind-icon">_level<span class="tsd-signature-symbol">(</span>domain<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span>, dbLevel<span class="tsd-signature-symbol">: </span><a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a><span class="tsd-signature-symbol">&gt;</span></li>
+					</ul>
+					<ul class="tsd-descriptions">
+						<li class="tsd-description">
+							<aside class="tsd-sources">
+								<ul>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L479">src/DB.ts:479</a></li>
+								</ul>
+							</aside>
+							<h4 class="tsd-parameters-title">Parameters</h4>
+							<ul class="tsd-parameters">
+								<li>
+									<h5>domain: <span class="tsd-signature-type">string</span></h5>
+								</li>
+								<li>
+									<h5>dbLevel: <a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a></h5>
+								</li>
+							</ul>
+							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a><span class="tsd-signature-symbol">&gt;</span></h4>
+						</li>
+					</ul>
+				</section>
 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
 					<a name="batch" class="tsd-anchor"></a>
 					<h3>batch</h3>
@@ -385,7 +453,7 @@ <h3>batch</h3>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L339">src/DB.ts:339</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L328">src/DB.ts:328</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
@@ -398,6 +466,29 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</
 						</li>
 					</ul>
 				</section>
+				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
+					<a name="clear" class="tsd-anchor"></a>
+					<h3>clear</h3>
+					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
+						<li class="tsd-signature tsd-kind-icon">clear<span class="tsd-signature-symbol">(</span>dbLevel<span class="tsd-signature-symbol">?: </span><a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></li>
+					</ul>
+					<ul class="tsd-descriptions">
+						<li class="tsd-description">
+							<aside class="tsd-sources">
+								<ul>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L246">src/DB.ts:246</a></li>
+								</ul>
+							</aside>
+							<h4 class="tsd-parameters-title">Parameters</h4>
+							<ul class="tsd-parameters">
+								<li>
+									<h5>dbLevel: <a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a><span class="tsd-signature-symbol"> = ...</span></h5>
+								</li>
+							</ul>
+							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></h4>
+						</li>
+					</ul>
+				</section>
 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
 					<a name="count" class="tsd-anchor"></a>
 					<h3>count</h3>
@@ -408,7 +499,7 @@ <h3>count</h3>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L274">src/DB.ts:274</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L251">src/DB.ts:251</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
@@ -431,7 +522,7 @@ <h3>del</h3>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L334">src/DB.ts:334</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L323">src/DB.ts:323</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
@@ -458,7 +549,7 @@ <h3>deserialize<wbr>Decrypt</h3>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L397">src/DB.ts:397</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L386">src/DB.ts:386</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-type-parameters-title">Type parameters</h4>
@@ -481,7 +572,7 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L401">src/DB.ts:401</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L390">src/DB.ts:390</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
@@ -508,13 +599,36 @@ <h3>destroy</h3>
 							<aside class="tsd-sources">
 								<p>Inherited from CreateDestroyStartStop.destroy</p>
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L164">src/DB.ts:164</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L140">src/DB.ts:140</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></h4>
 						</li>
 					</ul>
 				</section>
+				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
+					<a name="dump" class="tsd-anchor"></a>
+					<h3>dump</h3>
+					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
+						<li class="tsd-signature tsd-kind-icon">dump<span class="tsd-signature-symbol">(</span>dbLevel<span class="tsd-signature-symbol">?: </span><a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a href="../modules/types.html#POJO" class="tsd-signature-type" data-tsd-kind="Type alias">POJO</a><span class="tsd-signature-symbol">&gt;</span></li>
+					</ul>
+					<ul class="tsd-descriptions">
+						<li class="tsd-description">
+							<aside class="tsd-sources">
+								<ul>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L260">src/DB.ts:260</a></li>
+								</ul>
+							</aside>
+							<h4 class="tsd-parameters-title">Parameters</h4>
+							<ul class="tsd-parameters">
+								<li>
+									<h5>dbLevel: <a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a><span class="tsd-signature-symbol"> = ...</span></h5>
+								</li>
+							</ul>
+							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a href="../modules/types.html#POJO" class="tsd-signature-type" data-tsd-kind="Type alias">POJO</a><span class="tsd-signature-symbol">&gt;</span></h4>
+						</li>
+					</ul>
+				</section>
 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter">
 					<a name="get" class="tsd-anchor"></a>
 					<h3>get</h3>
@@ -526,7 +640,7 @@ <h3>get</h3>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L282">src/DB.ts:282</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L271">src/DB.ts:271</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-type-parameters-title">Type parameters</h4>
@@ -552,7 +666,7 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L287">src/DB.ts:287</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L276">src/DB.ts:276</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
@@ -571,6 +685,86 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</
 						</li>
 					</ul>
 				</section>
+				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
+					<a name="iterator" class="tsd-anchor"></a>
+					<h3>iterator</h3>
+					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
+						<li class="tsd-signature tsd-kind-icon">iterator<span class="tsd-signature-symbol">(</span>options<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">AbstractIteratorOptions</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol"> &amp; </span><span class="tsd-signature-symbol">{ </span>key<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">false</span><span class="tsd-signature-symbol">; </span>value<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">false</span><span class="tsd-signature-symbol"> }</span>, dbLevel<span class="tsd-signature-symbol">: </span><a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="../modules/types.html#DBIterator" class="tsd-signature-type" data-tsd-kind="Type alias">DBIterator</a><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol">&gt;</span></li>
+						<li class="tsd-signature tsd-kind-icon">iterator<span class="tsd-signature-symbol">(</span>options<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">AbstractIteratorOptions</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol"> &amp; </span><span class="tsd-signature-symbol">{ </span>key<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">false</span><span class="tsd-signature-symbol"> }</span>, dbLevel<span class="tsd-signature-symbol">: </span><a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="../modules/types.html#DBIterator" class="tsd-signature-type" data-tsd-kind="Type alias">DBIterator</a><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">&gt;</span></li>
+						<li class="tsd-signature tsd-kind-icon">iterator<span class="tsd-signature-symbol">(</span>options<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">AbstractIteratorOptions</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol"> &amp; </span><span class="tsd-signature-symbol">{ </span>value<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">false</span><span class="tsd-signature-symbol"> }</span>, dbLevel<span class="tsd-signature-symbol">: </span><a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="../modules/types.html#DBIterator" class="tsd-signature-type" data-tsd-kind="Type alias">DBIterator</a><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol">&gt;</span></li>
+						<li class="tsd-signature tsd-kind-icon">iterator<span class="tsd-signature-symbol">(</span>options<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">AbstractIteratorOptions</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">&gt;</span>, dbLevel<span class="tsd-signature-symbol">?: </span><a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="../modules/types.html#DBIterator" class="tsd-signature-type" data-tsd-kind="Type alias">DBIterator</a><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">&gt;</span></li>
+					</ul>
+					<ul class="tsd-descriptions">
+						<li class="tsd-description">
+							<aside class="tsd-sources">
+								<ul>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L211">src/DB.ts:211</a></li>
+								</ul>
+							</aside>
+							<h4 class="tsd-parameters-title">Parameters</h4>
+							<ul class="tsd-parameters">
+								<li>
+									<h5>options: <span class="tsd-signature-type">AbstractIteratorOptions</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol"> &amp; </span><span class="tsd-signature-symbol">{ </span>key<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">false</span><span class="tsd-signature-symbol">; </span>value<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">false</span><span class="tsd-signature-symbol"> }</span></h5>
+								</li>
+								<li>
+									<h5>dbLevel: <a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a></h5>
+								</li>
+							</ul>
+							<h4 class="tsd-returns-title">Returns <a href="../modules/types.html#DBIterator" class="tsd-signature-type" data-tsd-kind="Type alias">DBIterator</a><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol">&gt;</span></h4>
+						</li>
+						<li class="tsd-description">
+							<aside class="tsd-sources">
+								<ul>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L215">src/DB.ts:215</a></li>
+								</ul>
+							</aside>
+							<h4 class="tsd-parameters-title">Parameters</h4>
+							<ul class="tsd-parameters">
+								<li>
+									<h5>options: <span class="tsd-signature-type">AbstractIteratorOptions</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol"> &amp; </span><span class="tsd-signature-symbol">{ </span>key<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">false</span><span class="tsd-signature-symbol"> }</span></h5>
+								</li>
+								<li>
+									<h5>dbLevel: <a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a></h5>
+								</li>
+							</ul>
+							<h4 class="tsd-returns-title">Returns <a href="../modules/types.html#DBIterator" class="tsd-signature-type" data-tsd-kind="Type alias">DBIterator</a><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">&gt;</span></h4>
+						</li>
+						<li class="tsd-description">
+							<aside class="tsd-sources">
+								<ul>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L219">src/DB.ts:219</a></li>
+								</ul>
+							</aside>
+							<h4 class="tsd-parameters-title">Parameters</h4>
+							<ul class="tsd-parameters">
+								<li>
+									<h5>options: <span class="tsd-signature-type">AbstractIteratorOptions</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol"> &amp; </span><span class="tsd-signature-symbol">{ </span>value<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">false</span><span class="tsd-signature-symbol"> }</span></h5>
+								</li>
+								<li>
+									<h5>dbLevel: <a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a></h5>
+								</li>
+							</ul>
+							<h4 class="tsd-returns-title">Returns <a href="../modules/types.html#DBIterator" class="tsd-signature-type" data-tsd-kind="Type alias">DBIterator</a><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol">&gt;</span></h4>
+						</li>
+						<li class="tsd-description">
+							<aside class="tsd-sources">
+								<ul>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L223">src/DB.ts:223</a></li>
+								</ul>
+							</aside>
+							<h4 class="tsd-parameters-title">Parameters</h4>
+							<ul class="tsd-parameters">
+								<li>
+									<h5><span class="tsd-flag ts-flagOptional">Optional</span> options: <span class="tsd-signature-type">AbstractIteratorOptions</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">&gt;</span></h5>
+								</li>
+								<li>
+									<h5><span class="tsd-flag ts-flagOptional">Optional</span> dbLevel: <a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a></h5>
+								</li>
+							</ul>
+							<h4 class="tsd-returns-title">Returns <a href="../modules/types.html#DBIterator" class="tsd-signature-type" data-tsd-kind="Type alias">DBIterator</a><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">&gt;</span></h4>
+						</li>
+					</ul>
+				</section>
 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
 					<a name="level" class="tsd-anchor"></a>
 					<h3>level</h3>
@@ -581,7 +775,7 @@ <h3>level</h3>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L239">src/DB.ts:239</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L204">src/DB.ts:204</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
@@ -608,7 +802,7 @@ <h3>put</h3>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L310">src/DB.ts:310</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L299">src/DB.ts:299</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
@@ -631,7 +825,7 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L316">src/DB.ts:316</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L305">src/DB.ts:305</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
@@ -664,7 +858,7 @@ <h3>serialize<wbr>Encrypt</h3>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L363">src/DB.ts:363</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L352">src/DB.ts:352</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
@@ -681,7 +875,7 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L364">src/DB.ts:364</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L353">src/DB.ts:353</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
@@ -707,7 +901,7 @@ <h3>set<wbr>Worker<wbr>Manager</h3>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L182">src/DB.ts:182</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L158">src/DB.ts:158</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
@@ -720,6 +914,52 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 						</li>
 					</ul>
 				</section>
+				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-protected">
+					<a name="setupDb" class="tsd-anchor"></a>
+					<h3><span class="tsd-flag ts-flagProtected">Protected</span> setup<wbr>Db</h3>
+					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-protected">
+						<li class="tsd-signature tsd-kind-icon">setup<wbr>Db<span class="tsd-signature-symbol">(</span>dbPath<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">LevelDB</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">&gt;</span></li>
+					</ul>
+					<ul class="tsd-descriptions">
+						<li class="tsd-description">
+							<aside class="tsd-sources">
+								<ul>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L427">src/DB.ts:427</a></li>
+								</ul>
+							</aside>
+							<h4 class="tsd-parameters-title">Parameters</h4>
+							<ul class="tsd-parameters">
+								<li>
+									<h5>dbPath: <span class="tsd-signature-type">string</span></h5>
+								</li>
+							</ul>
+							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">LevelDB</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">&gt;</span></h4>
+						</li>
+					</ul>
+				</section>
+				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-protected">
+					<a name="setupRootLevels" class="tsd-anchor"></a>
+					<h3><span class="tsd-flag ts-flagProtected">Protected</span> setup<wbr>Root<wbr>Levels</h3>
+					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-protected">
+						<li class="tsd-signature tsd-kind-icon">setup<wbr>Root<wbr>Levels<span class="tsd-signature-symbol">(</span>db<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">LevelDB</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-symbol">{ </span>dataDb<span class="tsd-signature-symbol">: </span><a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a><span class="tsd-signature-symbol">; </span>transactionsDb<span class="tsd-signature-symbol">: </span><a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a><span class="tsd-signature-symbol"> }</span><span class="tsd-signature-symbol">&gt;</span></li>
+					</ul>
+					<ul class="tsd-descriptions">
+						<li class="tsd-description">
+							<aside class="tsd-sources">
+								<ul>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L463">src/DB.ts:463</a></li>
+								</ul>
+							</aside>
+							<h4 class="tsd-parameters-title">Parameters</h4>
+							<ul class="tsd-parameters">
+								<li>
+									<h5>db: <span class="tsd-signature-type">LevelDB</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">&gt;</span></h5>
+								</li>
+							</ul>
+							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-symbol">{ </span>dataDb<span class="tsd-signature-symbol">: </span><a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a><span class="tsd-signature-symbol">; </span>transactionsDb<span class="tsd-signature-symbol">: </span><a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a><span class="tsd-signature-symbol"> }</span><span class="tsd-signature-symbol">&gt;</span></h4>
+						</li>
+					</ul>
+				</section>
 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
 					<a name="start" class="tsd-anchor"></a>
 					<h3>start</h3>
@@ -731,7 +971,7 @@ <h3>start</h3>
 							<aside class="tsd-sources">
 								<p>Inherited from CreateDestroyStartStop.start</p>
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L107">src/DB.ts:107</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L109">src/DB.ts:109</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
@@ -760,70 +1000,27 @@ <h3>stop</h3>
 							<aside class="tsd-sources">
 								<p>Inherited from CreateDestroyStartStop.stop</p>
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L158">src/DB.ts:158</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L134">src/DB.ts:134</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></h4>
 						</li>
 					</ul>
 				</section>
-				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter">
-					<a name="transact" class="tsd-anchor"></a>
-					<h3>transact</h3>
-					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter">
-						<li class="tsd-signature tsd-kind-icon">transact&lt;T&gt;<span class="tsd-signature-symbol">(</span>f<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">(</span>t<span class="tsd-signature-symbol">: </span><a href="../interfaces/types.DBTransaction.html" class="tsd-signature-type" data-tsd-kind="Interface">DBTransaction</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">&gt;</span>, locks<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">MutexInterface</span><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">&gt;</span></li>
+				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
+					<a name="transaction" class="tsd-anchor"></a>
+					<h3>transaction</h3>
+					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
+						<li class="tsd-signature tsd-kind-icon">transaction<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">ResourceAcquire</span><span class="tsd-signature-symbol">&lt;</span><a href="DBTransaction.default.html" class="tsd-signature-type" data-tsd-kind="Class">default</a><span class="tsd-signature-symbol">&gt;</span></li>
 					</ul>
 					<ul class="tsd-descriptions">
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L218">src/DB.ts:218</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L167">src/DB.ts:167</a></li>
 								</ul>
 							</aside>
-							<div class="tsd-comment tsd-typography">
-								<div class="lead">
-									<p>Attempts to lock in sequence
-										If you don&#39;t pass any
-										Then it will just lock globally
-										Otherwise it tries to run the transaction
-										And commits the operations at the very end
-									This allows one to create a lock to be shared between mutliple transactions</p>
-								</div>
-							</div>
-							<h4 class="tsd-type-parameters-title">Type parameters</h4>
-							<ul class="tsd-type-parameters">
-								<li>
-									<h4>T</h4>
-								</li>
-							</ul>
-							<h4 class="tsd-parameters-title">Parameters</h4>
-							<ul class="tsd-parameters">
-								<li>
-									<h5>f: <span class="tsd-signature-symbol">(</span>t<span class="tsd-signature-symbol">: </span><a href="../interfaces/types.DBTransaction.html" class="tsd-signature-type" data-tsd-kind="Interface">DBTransaction</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">&gt;</span></h5>
-									<ul class="tsd-parameters">
-										<li class="tsd-parameter-signature">
-											<ul class="tsd-signatures tsd-kind-type-literal">
-												<li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">(</span>t<span class="tsd-signature-symbol">: </span><a href="../interfaces/types.DBTransaction.html" class="tsd-signature-type" data-tsd-kind="Interface">DBTransaction</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">&gt;</span></li>
-											</ul>
-											<ul class="tsd-descriptions">
-												<li class="tsd-description">
-													<h4 class="tsd-parameters-title">Parameters</h4>
-													<ul class="tsd-parameters">
-														<li>
-															<h5>t: <a href="../interfaces/types.DBTransaction.html" class="tsd-signature-type" data-tsd-kind="Interface">DBTransaction</a></h5>
-														</li>
-													</ul>
-													<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">&gt;</span></h4>
-												</li>
-											</ul>
-										</li>
-									</ul>
-								</li>
-								<li>
-									<h5>locks: <span class="tsd-signature-type">MutexInterface</span><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol"> = ...</span></h5>
-								</li>
-							</ul>
-							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">&gt;</span></h4>
+							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">ResourceAcquire</span><span class="tsd-signature-symbol">&lt;</span><a href="DBTransaction.default.html" class="tsd-signature-type" data-tsd-kind="Class">default</a><span class="tsd-signature-symbol">&gt;</span></h4>
 						</li>
 					</ul>
 				</section>
@@ -837,74 +1034,30 @@ <h3>unset<wbr>Worker<wbr>Manager</h3>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L186">src/DB.ts:186</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L162">src/DB.ts:162</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4>
 						</li>
 					</ul>
 				</section>
-				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter">
-					<a name="withLocks" class="tsd-anchor"></a>
-					<h3>with<wbr>Locks</h3>
-					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter">
-						<li class="tsd-signature tsd-kind-icon">with<wbr>Locks&lt;T&gt;<span class="tsd-signature-symbol">(</span>f<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">&gt;</span>, locks<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">MutexInterface</span><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">&gt;</span></li>
-					</ul>
-					<ul class="tsd-descriptions">
-						<li class="tsd-description">
-							<aside class="tsd-sources">
-								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L190">src/DB.ts:190</a></li>
-								</ul>
-							</aside>
-							<h4 class="tsd-type-parameters-title">Type parameters</h4>
-							<ul class="tsd-type-parameters">
-								<li>
-									<h4>T</h4>
-								</li>
-							</ul>
-							<h4 class="tsd-parameters-title">Parameters</h4>
-							<ul class="tsd-parameters">
-								<li>
-									<h5>f: <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">&gt;</span></h5>
-									<ul class="tsd-parameters">
-										<li class="tsd-parameter-signature">
-											<ul class="tsd-signatures tsd-kind-type-literal">
-												<li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">&gt;</span></li>
-											</ul>
-											<ul class="tsd-descriptions">
-												<li class="tsd-description">
-													<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">&gt;</span></h4>
-												</li>
-											</ul>
-										</li>
-									</ul>
-								</li>
-								<li>
-									<h5>locks: <span class="tsd-signature-type">MutexInterface</span><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol"> = ...</span></h5>
-								</li>
-							</ul>
-							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">&gt;</span></h4>
-						</li>
-					</ul>
-				</section>
 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-static">
 					<a name="createDB" class="tsd-anchor"></a>
 					<h3><span class="tsd-flag ts-flagStatic">Static</span> createDB</h3>
 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-static">
-						<li class="tsd-signature tsd-kind-icon">createDB<span class="tsd-signature-symbol">(</span>__namedParameters<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">{ </span>crypto<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-symbol">{ </span>key<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">; </span>ops<span class="tsd-signature-symbol">: </span><a href="../modules/types.html#Crypto" class="tsd-signature-type" data-tsd-kind="Type alias">Crypto</a><span class="tsd-signature-symbol"> }</span><span class="tsd-signature-symbol">; </span>dbPath<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">; </span>fresh<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">boolean</span><span class="tsd-signature-symbol">; </span>fs<span class="tsd-signature-symbol">?: </span><a href="../interfaces/types.FileSystem.html" class="tsd-signature-type" data-tsd-kind="Interface">FileSystem</a><span class="tsd-signature-symbol">; </span>lock<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">MutexInterface</span><span class="tsd-signature-symbol">; </span>logger<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">Logger</span><span class="tsd-signature-symbol"> }</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a href="DB.default.html" class="tsd-signature-type" data-tsd-kind="Class">default</a><span class="tsd-signature-symbol">&gt;</span></li>
+						<li class="tsd-signature tsd-kind-icon">createDB<span class="tsd-signature-symbol">(</span>__namedParameters<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">{ </span>crypto<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-symbol">{ </span>key<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">; </span>ops<span class="tsd-signature-symbol">: </span><a href="../modules/types.html#Crypto" class="tsd-signature-type" data-tsd-kind="Type alias">Crypto</a><span class="tsd-signature-symbol"> }</span><span class="tsd-signature-symbol">; </span>dbPath<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">; </span>fresh<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">boolean</span><span class="tsd-signature-symbol">; </span>fs<span class="tsd-signature-symbol">?: </span><a href="../interfaces/types.FileSystem.html" class="tsd-signature-type" data-tsd-kind="Interface">FileSystem</a><span class="tsd-signature-symbol">; </span>logger<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">Logger</span><span class="tsd-signature-symbol"> }</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a href="DB.default.html" class="tsd-signature-type" data-tsd-kind="Class">default</a><span class="tsd-signature-symbol">&gt;</span></li>
 					</ul>
 					<ul class="tsd-descriptions">
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L33">src/DB.ts:33</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DB.ts#L35">src/DB.ts:35</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
 							<ul class="tsd-parameters">
 								<li>
-									<h5>__namedParameters: <span class="tsd-signature-symbol">{ </span>crypto<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-symbol">{ </span>key<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">; </span>ops<span class="tsd-signature-symbol">: </span><a href="../modules/types.html#Crypto" class="tsd-signature-type" data-tsd-kind="Type alias">Crypto</a><span class="tsd-signature-symbol"> }</span><span class="tsd-signature-symbol">; </span>dbPath<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">; </span>fresh<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">boolean</span><span class="tsd-signature-symbol">; </span>fs<span class="tsd-signature-symbol">?: </span><a href="../interfaces/types.FileSystem.html" class="tsd-signature-type" data-tsd-kind="Interface">FileSystem</a><span class="tsd-signature-symbol">; </span>lock<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">MutexInterface</span><span class="tsd-signature-symbol">; </span>logger<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">Logger</span><span class="tsd-signature-symbol"> }</span></h5>
+									<h5>__namedParameters: <span class="tsd-signature-symbol">{ </span>crypto<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-symbol">{ </span>key<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">; </span>ops<span class="tsd-signature-symbol">: </span><a href="../modules/types.html#Crypto" class="tsd-signature-type" data-tsd-kind="Type alias">Crypto</a><span class="tsd-signature-symbol"> }</span><span class="tsd-signature-symbol">; </span>dbPath<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">; </span>fresh<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">boolean</span><span class="tsd-signature-symbol">; </span>fs<span class="tsd-signature-symbol">?: </span><a href="../interfaces/types.FileSystem.html" class="tsd-signature-type" data-tsd-kind="Interface">FileSystem</a><span class="tsd-signature-symbol">; </span>logger<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">Logger</span><span class="tsd-signature-symbol"> }</span></h5>
 									<ul class="tsd-parameters">
 										<li class="tsd-parameter">
 											<h5><span class="tsd-flag ts-flagOptional">Optional</span> crypto<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-symbol">{ </span>key<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">; </span>ops<span class="tsd-signature-symbol">: </span><a href="../modules/types.html#Crypto" class="tsd-signature-type" data-tsd-kind="Type alias">Crypto</a><span class="tsd-signature-symbol"> }</span></h5>
@@ -926,9 +1079,6 @@ <h5><span class="tsd-flag ts-flagOptional">Optional</span> fresh<span class="tsd
 										<li class="tsd-parameter">
 											<h5><span class="tsd-flag ts-flagOptional">Optional</span> fs<span class="tsd-signature-symbol">?: </span><a href="../interfaces/types.FileSystem.html" class="tsd-signature-type" data-tsd-kind="Interface">FileSystem</a></h5>
 										</li>
-										<li class="tsd-parameter">
-											<h5><span class="tsd-flag ts-flagOptional">Optional</span> lock<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">MutexInterface</span></h5>
-										</li>
 										<li class="tsd-parameter">
 											<h5><span class="tsd-flag ts-flagOptional">Optional</span> logger<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">Logger</span></h5>
 										</li>
@@ -951,7 +1101,7 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</
 						<a href="../modules/DB.html">DB</a>
 					</li>
 					<li class=" tsd-kind-module">
-						<a href="../modules/Transaction.html">Transaction</a>
+						<a href="../modules/DBTransaction.html">DBTransaction</a>
 					</li>
 					<li class=" tsd-kind-module">
 						<a href="../modules/errors.html">errors</a>
@@ -980,9 +1130,15 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external">
 								<a href="DB.default.html#_initLock_" class="tsd-kind-icon">[init<wbr>Lock]</a>
 							</li>
+							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-protected">
+								<a href="DB.default.html#_dataDb" class="tsd-kind-icon">_data<wbr>Db</a>
+							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-protected">
 								<a href="DB.default.html#_db" class="tsd-kind-icon">_db</a>
 							</li>
+							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-protected">
+								<a href="DB.default.html#_transactionsDb" class="tsd-kind-icon">_transactions<wbr>Db</a>
+							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-protected">
 								<a href="DB.default.html#crypto" class="tsd-kind-icon">crypto</a>
 							</li>
@@ -993,10 +1149,10 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</
 								<a href="DB.default.html#fs" class="tsd-kind-icon">fs</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-protected">
-								<a href="DB.default.html#lock" class="tsd-kind-icon">lock</a>
+								<a href="DB.default.html#logger" class="tsd-kind-icon">logger</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-protected">
-								<a href="DB.default.html#logger" class="tsd-kind-icon">logger</a>
+								<a href="DB.default.html#transactionCounter" class="tsd-kind-icon">transaction<wbr>Counter</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-protected">
 								<a href="DB.default.html#workerManager" class="tsd-kind-icon">worker<wbr>Manager</a>
@@ -1010,15 +1166,24 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</
 							<li class=" tsd-kind-get-signature tsd-parent-kind-class tsd-is-external">
 								<a href="DB.default.html#_status_" class="tsd-kind-icon">[status]</a>
 							</li>
+							<li class=" tsd-kind-get-signature tsd-parent-kind-class">
+								<a href="DB.default.html#dataDb" class="tsd-kind-icon">data<wbr>Db</a>
+							</li>
 							<li class=" tsd-kind-get-signature tsd-parent-kind-class">
 								<a href="DB.default.html#db" class="tsd-kind-icon">db</a>
 							</li>
 							<li class=" tsd-kind-get-signature tsd-parent-kind-class">
-								<a href="DB.default.html#locked" class="tsd-kind-icon">locked</a>
+								<a href="DB.default.html#transactionsDb" class="tsd-kind-icon">transactions<wbr>Db</a>
+							</li>
+							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-protected">
+								<a href="DB.default.html#_level" class="tsd-kind-icon">_level</a>
 							</li>
 							<li class=" tsd-kind-method tsd-parent-kind-class">
 								<a href="DB.default.html#batch" class="tsd-kind-icon">batch</a>
 							</li>
+							<li class=" tsd-kind-method tsd-parent-kind-class">
+								<a href="DB.default.html#clear" class="tsd-kind-icon">clear</a>
+							</li>
 							<li class=" tsd-kind-method tsd-parent-kind-class">
 								<a href="DB.default.html#count" class="tsd-kind-icon">count</a>
 							</li>
@@ -1031,9 +1196,15 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</
 							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
 								<a href="DB.default.html#destroy" class="tsd-kind-icon">destroy</a>
 							</li>
+							<li class=" tsd-kind-method tsd-parent-kind-class">
+								<a href="DB.default.html#dump" class="tsd-kind-icon">dump</a>
+							</li>
 							<li class=" tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter">
 								<a href="DB.default.html#get" class="tsd-kind-icon">get</a>
 							</li>
+							<li class=" tsd-kind-method tsd-parent-kind-class">
+								<a href="DB.default.html#iterator" class="tsd-kind-icon">iterator</a>
+							</li>
 							<li class=" tsd-kind-method tsd-parent-kind-class">
 								<a href="DB.default.html#level" class="tsd-kind-icon">level</a>
 							</li>
@@ -1046,21 +1217,24 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</
 							<li class=" tsd-kind-method tsd-parent-kind-class">
 								<a href="DB.default.html#setWorkerManager" class="tsd-kind-icon">set<wbr>Worker<wbr>Manager</a>
 							</li>
+							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-protected">
+								<a href="DB.default.html#setupDb" class="tsd-kind-icon">setup<wbr>Db</a>
+							</li>
+							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-protected">
+								<a href="DB.default.html#setupRootLevels" class="tsd-kind-icon">setup<wbr>Root<wbr>Levels</a>
+							</li>
 							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
 								<a href="DB.default.html#start" class="tsd-kind-icon">start</a>
 							</li>
 							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
 								<a href="DB.default.html#stop" class="tsd-kind-icon">stop</a>
 							</li>
-							<li class=" tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter">
-								<a href="DB.default.html#transact" class="tsd-kind-icon">transact</a>
+							<li class=" tsd-kind-method tsd-parent-kind-class">
+								<a href="DB.default.html#transaction" class="tsd-kind-icon">transaction</a>
 							</li>
 							<li class=" tsd-kind-method tsd-parent-kind-class">
 								<a href="DB.default.html#unsetWorkerManager" class="tsd-kind-icon">unset<wbr>Worker<wbr>Manager</a>
 							</li>
-							<li class=" tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter">
-								<a href="DB.default.html#withLocks" class="tsd-kind-icon">with<wbr>Locks</a>
-							</li>
 							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-static">
 								<a href="DB.default.html#createDB" class="tsd-kind-icon">createDB</a>
 							</li>
@@ -1082,6 +1256,7 @@ <h2>Legend</h2>
 				<li class="tsd-kind-function"><span class="tsd-kind-icon">Function</span></li>
 				<li class="tsd-kind-function tsd-has-type-parameter"><span class="tsd-kind-icon">Function with type parameter</span></li>
 				<li class="tsd-kind-type-alias"><span class="tsd-kind-icon">Type alias</span></li>
+				<li class="tsd-kind-type-alias tsd-has-type-parameter"><span class="tsd-kind-icon">Type alias with type parameter</span></li>
 			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-class"><span class="tsd-kind-icon">Class</span></li>
@@ -1093,10 +1268,11 @@ <h2>Legend</h2>
 				<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited method</span></li>
 			</ul>
 			<ul class="tsd-legend">
-				<li class="tsd-kind-interface"><span class="tsd-kind-icon">Interface</span></li>
+				<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><span class="tsd-kind-icon">Protected property</span></li>
+				<li class="tsd-kind-method tsd-parent-kind-class tsd-is-protected"><span class="tsd-kind-icon">Protected method</span></li>
 			</ul>
 			<ul class="tsd-legend">
-				<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><span class="tsd-kind-icon">Protected property</span></li>
+				<li class="tsd-kind-interface"><span class="tsd-kind-icon">Interface</span></li>
 			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-method tsd-parent-kind-class tsd-is-static"><span class="tsd-kind-icon">Static method</span></li>
diff --git a/docs/classes/Transaction.default.html b/docs/classes/DBTransaction.default.html
similarity index 56%
rename from docs/classes/Transaction.default.html
rename to docs/classes/DBTransaction.default.html
index aa5d4704..50374a20 100644
--- a/docs/classes/Transaction.default.html
+++ b/docs/classes/DBTransaction.default.html
@@ -55,10 +55,10 @@
 					<a href="../modules.html">@matrixai/db</a>
 				</li>
 				<li>
-					<a href="../modules/Transaction.html">Transaction</a>
+					<a href="../modules/DBTransaction.html">DBTransaction</a>
 				</li>
 				<li>
-					<a href="Transaction.default.html">default</a>
+					<a href="DBTransaction.default.html">default</a>
 				</li>
 			</ul>
 			<h1>Class default</h1>
@@ -68,128 +68,139 @@ <h1>Class default</h1>
 <div class="container container-main">
 	<div class="row">
 		<div class="col-8 col-content">
-			<section class="tsd-panel tsd-comment">
-				<div class="tsd-comment tsd-typography">
-					<div class="lead">
-						<p>Minimal transaction system
-							Abstracts on top of the leveldb batch system
-							A makeshift &quot;read-committed&quot; isolation level, reads can be dirty (but prevented due to advisory locks)
-						Will only read data that have been committed, won&#39;t see dirty reads.</p>
-					</div>
-					<p>Leveldb is not an MVCC database.
-						This when combined with advisory locking provides a &quot;read-commited&quot; isolation-level context.
-						This means dirty reads are not possible. But non-repeatable reads and phantom reads are all possible.
-						If we had access to leveldb snapshots, we could level up to &quot;repeatable-read&quot; isolation level and prevent
-					non-repeatable reads for both iteration/streaming and get. However we would still have lost-updates.</p>
-				</div>
-			</section>
 			<section class="tsd-panel tsd-hierarchy">
 				<h3>Hierarchy</h3>
 				<ul class="tsd-hierarchy">
 					<li>
-						<span class="target">default</span>
+						<span class="tsd-signature-type">CreateDestroy</span>
+						<ul class="tsd-hierarchy">
+							<li>
+								<span class="target">default</span>
+							</li>
+						</ul>
 					</li>
 				</ul>
 			</section>
-			<section class="tsd-panel">
-				<h3>Implements</h3>
-				<ul class="tsd-hierarchy">
-					<li><a href="../interfaces/types.DBTransaction.html" class="tsd-signature-type" data-tsd-kind="Interface">DBTransaction</a></li>
-				</ul>
-			</section>
 			<section class="tsd-panel-group tsd-index-group">
 				<h2>Index</h2>
 				<section class="tsd-panel tsd-index-panel">
 					<div class="tsd-index-content">
-						<section class="tsd-index-section ">
+						<section class="tsd-index-section tsd-is-inherited">
 							<h3>Constructors</h3>
 							<ul class="tsd-index-list">
-								<li class="tsd-kind-constructor tsd-parent-kind-class"><a href="Transaction.default.html#constructor" class="tsd-kind-icon">constructor</a></li>
+								<li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited"><a href="DBTransaction.default.html#constructor" class="tsd-kind-icon">constructor</a></li>
 							</ul>
 						</section>
-						<section class="tsd-index-section tsd-is-private-protected">
+						<section class="tsd-index-section ">
 							<h3>Properties</h3>
 							<ul class="tsd-index-list">
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><a href="Transaction.default.html#_callbacksFailure" class="tsd-kind-icon">_callbacks<wbr>Failure</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><a href="Transaction.default.html#_callbacksSuccess" class="tsd-kind-icon">_callbacks<wbr>Success</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><a href="Transaction.default.html#_committed" class="tsd-kind-icon">_committed</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><a href="Transaction.default.html#_ops" class="tsd-kind-icon">_ops</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><a href="Transaction.default.html#_rollbacked" class="tsd-kind-icon">_rollbacked</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><a href="Transaction.default.html#_snap" class="tsd-kind-icon">_snap</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><a href="Transaction.default.html#db" class="tsd-kind-icon">db</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><a href="Transaction.default.html#logger" class="tsd-kind-icon">logger</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external"><a href="DBTransaction.default.html#_initLock_" class="tsd-kind-icon">[init<wbr>Lock]</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><a href="DBTransaction.default.html#_callbacksFailure" class="tsd-kind-icon">_callbacks<wbr>Failure</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><a href="DBTransaction.default.html#_callbacksSuccess" class="tsd-kind-icon">_callbacks<wbr>Success</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><a href="DBTransaction.default.html#_committed" class="tsd-kind-icon">_committed</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><a href="DBTransaction.default.html#_ops" class="tsd-kind-icon">_ops</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><a href="DBTransaction.default.html#_rollbacked" class="tsd-kind-icon">_rollbacked</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><a href="DBTransaction.default.html#db" class="tsd-kind-icon">db</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><a href="DBTransaction.default.html#logger" class="tsd-kind-icon">logger</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><a href="DBTransaction.default.html#transactionDb" class="tsd-kind-icon">transaction<wbr>Db</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class"><a href="DBTransaction.default.html#transactionId" class="tsd-kind-icon">transaction<wbr>Id</a></li>
 							</ul>
 						</section>
 						<section class="tsd-index-section ">
 							<h3>Accessors</h3>
 							<ul class="tsd-index-list">
-								<li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="Transaction.default.html#callbacksFailure" class="tsd-kind-icon">callbacks<wbr>Failure</a></li>
-								<li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="Transaction.default.html#callbacksSuccess" class="tsd-kind-icon">callbacks<wbr>Success</a></li>
-								<li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="Transaction.default.html#committed" class="tsd-kind-icon">committed</a></li>
-								<li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="Transaction.default.html#ops" class="tsd-kind-icon">ops</a></li>
-								<li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="Transaction.default.html#rollbacked" class="tsd-kind-icon">rollbacked</a></li>
-								<li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="Transaction.default.html#snap" class="tsd-kind-icon">snap</a></li>
+								<li class="tsd-kind-get-signature tsd-parent-kind-class tsd-is-external"><a href="DBTransaction.default.html#_destroyed_" class="tsd-kind-icon">[destroyed]</a></li>
+								<li class="tsd-kind-get-signature tsd-parent-kind-class tsd-is-external"><a href="DBTransaction.default.html#_status_" class="tsd-kind-icon">[status]</a></li>
+								<li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="DBTransaction.default.html#callbacksFailure" class="tsd-kind-icon">callbacks<wbr>Failure</a></li>
+								<li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="DBTransaction.default.html#callbacksSuccess" class="tsd-kind-icon">callbacks<wbr>Success</a></li>
+								<li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="DBTransaction.default.html#committed" class="tsd-kind-icon">committed</a></li>
+								<li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="DBTransaction.default.html#ops" class="tsd-kind-icon">ops</a></li>
+								<li class="tsd-kind-get-signature tsd-parent-kind-class"><a href="DBTransaction.default.html#rollbacked" class="tsd-kind-icon">rollbacked</a></li>
 							</ul>
 						</section>
 						<section class="tsd-index-section ">
 							<h3>Methods</h3>
 							<ul class="tsd-index-list">
-								<li class="tsd-kind-method tsd-parent-kind-class"><a href="Transaction.default.html#commit" class="tsd-kind-icon">commit</a></li>
-								<li class="tsd-kind-method tsd-parent-kind-class"><a href="Transaction.default.html#del" class="tsd-kind-icon">del</a></li>
-								<li class="tsd-kind-method tsd-parent-kind-class"><a href="Transaction.default.html#finalize" class="tsd-kind-icon">finalize</a></li>
-								<li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter"><a href="Transaction.default.html#get" class="tsd-kind-icon">get</a></li>
-								<li class="tsd-kind-method tsd-parent-kind-class"><a href="Transaction.default.html#put" class="tsd-kind-icon">put</a></li>
-								<li class="tsd-kind-method tsd-parent-kind-class"><a href="Transaction.default.html#queueFailure" class="tsd-kind-icon">queue<wbr>Failure</a></li>
-								<li class="tsd-kind-method tsd-parent-kind-class"><a href="Transaction.default.html#queueSuccess" class="tsd-kind-icon">queue<wbr>Success</a></li>
-								<li class="tsd-kind-method tsd-parent-kind-class"><a href="Transaction.default.html#rollback" class="tsd-kind-icon">rollback</a></li>
+								<li class="tsd-kind-method tsd-parent-kind-class"><a href="DBTransaction.default.html#clear" class="tsd-kind-icon">clear</a></li>
+								<li class="tsd-kind-method tsd-parent-kind-class"><a href="DBTransaction.default.html#commit" class="tsd-kind-icon">commit</a></li>
+								<li class="tsd-kind-method tsd-parent-kind-class"><a href="DBTransaction.default.html#count" class="tsd-kind-icon">count</a></li>
+								<li class="tsd-kind-method tsd-parent-kind-class"><a href="DBTransaction.default.html#del" class="tsd-kind-icon">del</a></li>
+								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><a href="DBTransaction.default.html#destroy" class="tsd-kind-icon">destroy</a></li>
+								<li class="tsd-kind-method tsd-parent-kind-class"><a href="DBTransaction.default.html#dump" class="tsd-kind-icon">dump</a></li>
+								<li class="tsd-kind-method tsd-parent-kind-class"><a href="DBTransaction.default.html#finalize" class="tsd-kind-icon">finalize</a></li>
+								<li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter"><a href="DBTransaction.default.html#get" class="tsd-kind-icon">get</a></li>
+								<li class="tsd-kind-method tsd-parent-kind-class"><a href="DBTransaction.default.html#iterator" class="tsd-kind-icon">iterator</a></li>
+								<li class="tsd-kind-method tsd-parent-kind-class"><a href="DBTransaction.default.html#put" class="tsd-kind-icon">put</a></li>
+								<li class="tsd-kind-method tsd-parent-kind-class"><a href="DBTransaction.default.html#queueFailure" class="tsd-kind-icon">queue<wbr>Failure</a></li>
+								<li class="tsd-kind-method tsd-parent-kind-class"><a href="DBTransaction.default.html#queueSuccess" class="tsd-kind-icon">queue<wbr>Success</a></li>
+								<li class="tsd-kind-method tsd-parent-kind-class"><a href="DBTransaction.default.html#rollback" class="tsd-kind-icon">rollback</a></li>
+								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-static"><a href="DBTransaction.default.html#createTransaction" class="tsd-kind-icon">create<wbr>Transaction</a></li>
 							</ul>
 						</section>
 					</div>
 				</section>
 			</section>
-			<section class="tsd-panel-group tsd-member-group ">
+			<section class="tsd-panel-group tsd-member-group tsd-is-inherited">
 				<h2>Constructors</h2>
-				<section class="tsd-panel tsd-member tsd-kind-constructor tsd-parent-kind-class">
+				<section class="tsd-panel tsd-member tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited">
 					<a name="constructor" class="tsd-anchor"></a>
 					<h3>constructor</h3>
-					<ul class="tsd-signatures tsd-kind-constructor tsd-parent-kind-class">
-						<li class="tsd-signature tsd-kind-icon">new default<span class="tsd-signature-symbol">(</span>__namedParameters<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">{ </span>db<span class="tsd-signature-symbol">: </span><a href="DB.default.html" class="tsd-signature-type" data-tsd-kind="Class">default</a><span class="tsd-signature-symbol">; </span>logger<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">Logger</span><span class="tsd-signature-symbol"> }</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="Transaction.default.html" class="tsd-signature-type" data-tsd-kind="Class">default</a></li>
+					<ul class="tsd-signatures tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited">
+						<li class="tsd-signature tsd-kind-icon">new default<span class="tsd-signature-symbol">(</span>__namedParameters<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">{ </span>db<span class="tsd-signature-symbol">: </span><a href="DB.default.html" class="tsd-signature-type" data-tsd-kind="Class">default</a><span class="tsd-signature-symbol">; </span>logger<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Logger</span><span class="tsd-signature-symbol">; </span>transactionDb<span class="tsd-signature-symbol">: </span><a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a><span class="tsd-signature-symbol">; </span>transactionId<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol"> }</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="DBTransaction.default.html" class="tsd-signature-type" data-tsd-kind="Class">default</a></li>
 					</ul>
 					<ul class="tsd-descriptions">
 						<li class="tsd-description">
 							<aside class="tsd-sources">
+								<p>Inherited from CreateDestroy.constructor</p>
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/Transaction.ts#L30">src/Transaction.ts:30</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L63">src/DBTransaction.ts:63</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
 							<ul class="tsd-parameters">
 								<li>
-									<h5>__namedParameters: <span class="tsd-signature-symbol">{ </span>db<span class="tsd-signature-symbol">: </span><a href="DB.default.html" class="tsd-signature-type" data-tsd-kind="Class">default</a><span class="tsd-signature-symbol">; </span>logger<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">Logger</span><span class="tsd-signature-symbol"> }</span></h5>
+									<h5>__namedParameters: <span class="tsd-signature-symbol">{ </span>db<span class="tsd-signature-symbol">: </span><a href="DB.default.html" class="tsd-signature-type" data-tsd-kind="Class">default</a><span class="tsd-signature-symbol">; </span>logger<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Logger</span><span class="tsd-signature-symbol">; </span>transactionDb<span class="tsd-signature-symbol">: </span><a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a><span class="tsd-signature-symbol">; </span>transactionId<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol"> }</span></h5>
 									<ul class="tsd-parameters">
 										<li class="tsd-parameter">
 											<h5>db<span class="tsd-signature-symbol">: </span><a href="DB.default.html" class="tsd-signature-type" data-tsd-kind="Class">default</a></h5>
 										</li>
 										<li class="tsd-parameter">
-											<h5><span class="tsd-flag ts-flagOptional">Optional</span> logger<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">Logger</span></h5>
+											<h5>logger<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Logger</span></h5>
+										</li>
+										<li class="tsd-parameter">
+											<h5>transaction<wbr>Db<span class="tsd-signature-symbol">: </span><a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a></h5>
+										</li>
+										<li class="tsd-parameter">
+											<h5>transaction<wbr>Id<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span></h5>
 										</li>
 									</ul>
 								</li>
 							</ul>
-							<h4 class="tsd-returns-title">Returns <a href="Transaction.default.html" class="tsd-signature-type" data-tsd-kind="Class">default</a></h4>
+							<h4 class="tsd-returns-title">Returns <a href="DBTransaction.default.html" class="tsd-signature-type" data-tsd-kind="Class">default</a></h4>
 						</li>
 					</ul>
 				</section>
 			</section>
-			<section class="tsd-panel-group tsd-member-group tsd-is-private-protected">
+			<section class="tsd-panel-group tsd-member-group ">
 				<h2>Properties</h2>
+				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external">
+					<a name="_initLock_" class="tsd-anchor"></a>
+					<h3><span class="tsd-flag ts-flagReadonly">Readonly</span> [init<wbr>Lock]</h3>
+					<div class="tsd-signature tsd-kind-icon">[init<wbr>Lock]<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">RWLock</span></div>
+					<aside class="tsd-sources">
+						<p>Inherited from CreateDestroy.__@initLock@39647</p>
+						<ul>
+							<li>Defined in node_modules/@matrixai/async-init/dist/CreateDestroy.d.ts:6</li>
+						</ul>
+					</aside>
+				</section>
 				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-protected">
 					<a name="_callbacksFailure" class="tsd-anchor"></a>
 					<h3><span class="tsd-flag ts-flagProtected">Protected</span> _callbacks<wbr>Failure</h3>
 					<div class="tsd-signature tsd-kind-icon">_callbacks<wbr>Failure<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol"> = []</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/Transaction.ts#L26">src/Transaction.ts:26</a></li>
+							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L59">src/DBTransaction.ts:59</a></li>
 						</ul>
 					</aside>
 				</section>
@@ -199,7 +210,7 @@ <h3><span class="tsd-flag ts-flagProtected">Protected</span> _callbacks<wbr>Succ
 					<div class="tsd-signature tsd-kind-icon">_callbacks<wbr>Success<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol"> = []</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/Transaction.ts#L25">src/Transaction.ts:25</a></li>
+							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L58">src/DBTransaction.ts:58</a></li>
 						</ul>
 					</aside>
 				</section>
@@ -209,7 +220,7 @@ <h3><span class="tsd-flag ts-flagProtected">Protected</span> _committed</h3>
 					<div class="tsd-signature tsd-kind-icon">_committed<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">boolean</span><span class="tsd-signature-symbol"> = false</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/Transaction.ts#L27">src/Transaction.ts:27</a></li>
+							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L60">src/DBTransaction.ts:60</a></li>
 						</ul>
 					</aside>
 				</section>
@@ -219,7 +230,7 @@ <h3><span class="tsd-flag ts-flagProtected">Protected</span> _ops</h3>
 					<div class="tsd-signature tsd-kind-icon">_ops<span class="tsd-signature-symbol">:</span> <a href="../modules/types.html#DBOps" class="tsd-signature-type" data-tsd-kind="Type alias">DBOps</a><span class="tsd-signature-symbol"> = []</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/Transaction.ts#L23">src/Transaction.ts:23</a></li>
+							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L57">src/DBTransaction.ts:57</a></li>
 						</ul>
 					</aside>
 				</section>
@@ -229,17 +240,7 @@ <h3><span class="tsd-flag ts-flagProtected">Protected</span> _rollbacked</h3>
 					<div class="tsd-signature tsd-kind-icon">_rollbacked<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">boolean</span><span class="tsd-signature-symbol"> = false</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/Transaction.ts#L28">src/Transaction.ts:28</a></li>
-						</ul>
-					</aside>
-				</section>
-				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-protected">
-					<a name="_snap" class="tsd-anchor"></a>
-					<h3><span class="tsd-flag ts-flagProtected">Protected</span> _snap</h3>
-					<div class="tsd-signature tsd-kind-icon">_snap<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">Map</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol"> = ...</span></div>
-					<aside class="tsd-sources">
-						<ul>
-							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/Transaction.ts#L24">src/Transaction.ts:24</a></li>
+							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L61">src/DBTransaction.ts:61</a></li>
 						</ul>
 					</aside>
 				</section>
@@ -249,7 +250,7 @@ <h3><span class="tsd-flag ts-flagProtected">Protected</span> db</h3>
 					<div class="tsd-signature tsd-kind-icon">db<span class="tsd-signature-symbol">:</span> <a href="DB.default.html" class="tsd-signature-type" data-tsd-kind="Class">default</a></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/Transaction.ts#L21">src/Transaction.ts:21</a></li>
+							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L54">src/DBTransaction.ts:54</a></li>
 						</ul>
 					</aside>
 				</section>
@@ -259,13 +260,67 @@ <h3><span class="tsd-flag ts-flagProtected">Protected</span> logger</h3>
 					<div class="tsd-signature tsd-kind-icon">logger<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">Logger</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/Transaction.ts#L22">src/Transaction.ts:22</a></li>
+							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L56">src/DBTransaction.ts:56</a></li>
+						</ul>
+					</aside>
+				</section>
+				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-protected">
+					<a name="transactionDb" class="tsd-anchor"></a>
+					<h3><span class="tsd-flag ts-flagProtected">Protected</span> transaction<wbr>Db</h3>
+					<div class="tsd-signature tsd-kind-icon">transaction<wbr>Db<span class="tsd-signature-symbol">:</span> <a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a></div>
+					<aside class="tsd-sources">
+						<ul>
+							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L55">src/DBTransaction.ts:55</a></li>
+						</ul>
+					</aside>
+				</section>
+				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class">
+					<a name="transactionId" class="tsd-anchor"></a>
+					<h3><span class="tsd-flag ts-flagReadonly">Readonly</span> transaction<wbr>Id</h3>
+					<div class="tsd-signature tsd-kind-icon">transaction<wbr>Id<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">number</span></div>
+					<aside class="tsd-sources">
+						<ul>
+							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L52">src/DBTransaction.ts:52</a></li>
 						</ul>
 					</aside>
 				</section>
 			</section>
 			<section class="tsd-panel-group tsd-member-group ">
 				<h2>Accessors</h2>
+				<section class="tsd-panel tsd-member tsd-kind-get-signature tsd-parent-kind-class tsd-is-external">
+					<a name="_destroyed_" class="tsd-anchor"></a>
+					<h3>[destroyed]</h3>
+					<ul class="tsd-signatures tsd-kind-get-signature tsd-parent-kind-class tsd-is-external">
+						<li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">get</span> [destroyed]<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">boolean</span></li>
+					</ul>
+					<ul class="tsd-descriptions">
+						<li class="tsd-description">
+							<aside class="tsd-sources">
+								<ul>
+									<li>Defined in node_modules/@matrixai/async-init/dist/CreateDestroy.d.ts:4</li>
+								</ul>
+							</aside>
+							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4>
+						</li>
+					</ul>
+				</section>
+				<section class="tsd-panel tsd-member tsd-kind-get-signature tsd-parent-kind-class tsd-is-external">
+					<a name="_status_" class="tsd-anchor"></a>
+					<h3>[status]</h3>
+					<ul class="tsd-signatures tsd-kind-get-signature tsd-parent-kind-class tsd-is-external">
+						<li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">get</span> [status]<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Status</span></li>
+					</ul>
+					<ul class="tsd-descriptions">
+						<li class="tsd-description">
+							<aside class="tsd-sources">
+								<ul>
+									<li>Defined in node_modules/@matrixai/async-init/dist/CreateDestroy.d.ts:5</li>
+								</ul>
+							</aside>
+							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Status</span></h4>
+						</li>
+					</ul>
+				</section>
 				<section class="tsd-panel tsd-member tsd-kind-get-signature tsd-parent-kind-class">
 					<a name="callbacksFailure" class="tsd-anchor"></a>
 					<h3>callbacks<wbr>Failure</h3>
@@ -275,9 +330,8 @@ <h3>callbacks<wbr>Failure</h3>
 					<ul class="tsd-descriptions">
 						<li class="tsd-description">
 							<aside class="tsd-sources">
-								<p>Implementation of <a href="../interfaces/types.DBTransaction.html">DBTransaction</a>.<a href="../interfaces/types.DBTransaction.html#callbacksFailure">callbacksFailure</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/Transaction.ts#L47">src/Transaction.ts:47</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L92">src/DBTransaction.ts:92</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-symbol">readonly </span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">[]</span></h4>
@@ -293,9 +347,8 @@ <h3>callbacks<wbr>Success</h3>
 					<ul class="tsd-descriptions">
 						<li class="tsd-description">
 							<aside class="tsd-sources">
-								<p>Implementation of <a href="../interfaces/types.DBTransaction.html">DBTransaction</a>.<a href="../interfaces/types.DBTransaction.html#callbacksSuccess">callbacksSuccess</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/Transaction.ts#L43">src/Transaction.ts:43</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L88">src/DBTransaction.ts:88</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-symbol">readonly </span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">[]</span></h4>
@@ -311,9 +364,8 @@ <h3>committed</h3>
 					<ul class="tsd-descriptions">
 						<li class="tsd-description">
 							<aside class="tsd-sources">
-								<p>Implementation of <a href="../interfaces/types.DBTransaction.html">DBTransaction</a>.<a href="../interfaces/types.DBTransaction.html#committed">committed</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/Transaction.ts#L51">src/Transaction.ts:51</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L96">src/DBTransaction.ts:96</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4>
@@ -329,9 +381,8 @@ <h3>ops</h3>
 					<ul class="tsd-descriptions">
 						<li class="tsd-description">
 							<aside class="tsd-sources">
-								<p>Implementation of <a href="../interfaces/types.DBTransaction.html">DBTransaction</a>.<a href="../interfaces/types.DBTransaction.html#ops">ops</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/Transaction.ts#L35">src/Transaction.ts:35</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L84">src/DBTransaction.ts:84</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-symbol">readonly </span><a href="../modules/types.html#DBOp" class="tsd-signature-type" data-tsd-kind="Type alias">DBOp</a><span class="tsd-signature-symbol">[]</span></h4>
@@ -348,34 +399,39 @@ <h3>rollbacked</h3>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/Transaction.ts#L55">src/Transaction.ts:55</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L100">src/DBTransaction.ts:100</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4>
 						</li>
 					</ul>
 				</section>
-				<section class="tsd-panel tsd-member tsd-kind-get-signature tsd-parent-kind-class">
-					<a name="snap" class="tsd-anchor"></a>
-					<h3>snap</h3>
-					<ul class="tsd-signatures tsd-kind-get-signature tsd-parent-kind-class">
-						<li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">get</span> snap<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">ReadonlyMap</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">&gt;</span></li>
+			</section>
+			<section class="tsd-panel-group tsd-member-group ">
+				<h2>Methods</h2>
+				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
+					<a name="clear" class="tsd-anchor"></a>
+					<h3>clear</h3>
+					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
+						<li class="tsd-signature tsd-kind-icon">clear<span class="tsd-signature-symbol">(</span>domain<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-symbol">readonly </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></li>
 					</ul>
 					<ul class="tsd-descriptions">
 						<li class="tsd-description">
 							<aside class="tsd-sources">
-								<p>Implementation of <a href="../interfaces/types.DBTransaction.html">DBTransaction</a>.<a href="../interfaces/types.DBTransaction.html#snap">snap</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/Transaction.ts#L39">src/Transaction.ts:39</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L263">src/DBTransaction.ts:263</a></li>
 								</ul>
 							</aside>
-							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">ReadonlyMap</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">&gt;</span></h4>
+							<h4 class="tsd-parameters-title">Parameters</h4>
+							<ul class="tsd-parameters">
+								<li>
+									<h5>domain: <span class="tsd-signature-symbol">readonly </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol"> = []</span></h5>
+								</li>
+							</ul>
+							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></h4>
 						</li>
 					</ul>
 				</section>
-			</section>
-			<section class="tsd-panel-group tsd-member-group ">
-				<h2>Methods</h2>
 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
 					<a name="commit" class="tsd-anchor"></a>
 					<h3>commit</h3>
@@ -386,13 +442,36 @@ <h3>commit</h3>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/Transaction.ts#L135">src/Transaction.ts:135</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L364">src/DBTransaction.ts:364</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></h4>
 						</li>
 					</ul>
 				</section>
+				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
+					<a name="count" class="tsd-anchor"></a>
+					<h3>count</h3>
+					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
+						<li class="tsd-signature tsd-kind-icon">count<span class="tsd-signature-symbol">(</span>domain<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-symbol">readonly </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">&gt;</span></li>
+					</ul>
+					<ul class="tsd-descriptions">
+						<li class="tsd-description">
+							<aside class="tsd-sources">
+								<ul>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L270">src/DBTransaction.ts:270</a></li>
+								</ul>
+							</aside>
+							<h4 class="tsd-parameters-title">Parameters</h4>
+							<ul class="tsd-parameters">
+								<li>
+									<h5>domain: <span class="tsd-signature-symbol">readonly </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol"> = []</span></h5>
+								</li>
+							</ul>
+							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">&gt;</span></h4>
+						</li>
+					</ul>
+				</section>
 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
 					<a name="del" class="tsd-anchor"></a>
 					<h3>del</h3>
@@ -402,9 +481,8 @@ <h3>del</h3>
 					<ul class="tsd-descriptions">
 						<li class="tsd-description">
 							<aside class="tsd-sources">
-								<p>Implementation of <a href="../interfaces/types.DBTransaction.html">DBTransaction</a>.<a href="../interfaces/types.DBTransaction.html#del">del</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/Transaction.ts#L117">src/Transaction.ts:117</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L343">src/DBTransaction.ts:343</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
@@ -420,6 +498,47 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</
 						</li>
 					</ul>
 				</section>
+				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
+					<a name="destroy" class="tsd-anchor"></a>
+					<h3>destroy</h3>
+					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
+						<li class="tsd-signature tsd-kind-icon">destroy<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></li>
+					</ul>
+					<ul class="tsd-descriptions">
+						<li class="tsd-description">
+							<aside class="tsd-sources">
+								<p>Inherited from CreateDestroy.destroy</p>
+								<ul>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L80">src/DBTransaction.ts:80</a></li>
+								</ul>
+							</aside>
+							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></h4>
+						</li>
+					</ul>
+				</section>
+				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
+					<a name="dump" class="tsd-anchor"></a>
+					<h3>dump</h3>
+					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
+						<li class="tsd-signature tsd-kind-icon">dump<span class="tsd-signature-symbol">(</span>domain<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-symbol">readonly </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a href="../modules/types.html#POJO" class="tsd-signature-type" data-tsd-kind="Type alias">POJO</a><span class="tsd-signature-symbol">&gt;</span></li>
+					</ul>
+					<ul class="tsd-descriptions">
+						<li class="tsd-description">
+							<aside class="tsd-sources">
+								<ul>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L105">src/DBTransaction.ts:105</a></li>
+								</ul>
+							</aside>
+							<h4 class="tsd-parameters-title">Parameters</h4>
+							<ul class="tsd-parameters">
+								<li>
+									<h5>domain: <span class="tsd-signature-symbol">readonly </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol"> = []</span></h5>
+								</li>
+							</ul>
+							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a href="../modules/types.html#POJO" class="tsd-signature-type" data-tsd-kind="Type alias">POJO</a><span class="tsd-signature-symbol">&gt;</span></h4>
+						</li>
+					</ul>
+				</section>
 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
 					<a name="finalize" class="tsd-anchor"></a>
 					<h3>finalize</h3>
@@ -430,7 +549,7 @@ <h3>finalize</h3>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/Transaction.ts#L164">src/Transaction.ts:164</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L395">src/DBTransaction.ts:395</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></h4>
@@ -447,9 +566,8 @@ <h3>get</h3>
 					<ul class="tsd-descriptions">
 						<li class="tsd-description">
 							<aside class="tsd-sources">
-								<p>Implementation of <a href="../interfaces/types.DBTransaction.html">DBTransaction</a>.<a href="../interfaces/types.DBTransaction.html#get">get</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/Transaction.ts#L59">src/Transaction.ts:59</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L278">src/DBTransaction.ts:278</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-type-parameters-title">Type parameters</h4>
@@ -474,9 +592,8 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</
 						</li>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
-								<p>Implementation of <a href="../interfaces/types.DBTransaction.html">DBTransaction</a>.<a href="../interfaces/types.DBTransaction.html#get">get</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/Transaction.ts#L64">src/Transaction.ts:64</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L283">src/DBTransaction.ts:283</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
@@ -495,6 +612,50 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</
 						</li>
 					</ul>
 				</section>
+				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
+					<a name="iterator" class="tsd-anchor"></a>
+					<h3>iterator</h3>
+					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
+						<li class="tsd-signature tsd-kind-icon">iterator<span class="tsd-signature-symbol">(</span>options<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">AbstractIteratorOptions</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol"> &amp; </span><span class="tsd-signature-symbol">{ </span>values<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">false</span><span class="tsd-signature-symbol"> }</span>, domain<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-symbol">readonly </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a href="../modules/types.html#DBIterator" class="tsd-signature-type" data-tsd-kind="Type alias">DBIterator</a><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">&gt;</span></li>
+						<li class="tsd-signature tsd-kind-icon">iterator<span class="tsd-signature-symbol">(</span>options<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">AbstractIteratorOptions</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">&gt;</span>, domain<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-symbol">readonly </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a href="../modules/types.html#DBIterator" class="tsd-signature-type" data-tsd-kind="Type alias">DBIterator</a><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">&gt;</span></li>
+					</ul>
+					<ul class="tsd-descriptions">
+						<li class="tsd-description">
+							<aside class="tsd-sources">
+								<ul>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L120">src/DBTransaction.ts:120</a></li>
+								</ul>
+							</aside>
+							<h4 class="tsd-parameters-title">Parameters</h4>
+							<ul class="tsd-parameters">
+								<li>
+									<h5>options: <span class="tsd-signature-type">AbstractIteratorOptions</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol"> &amp; </span><span class="tsd-signature-symbol">{ </span>values<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">false</span><span class="tsd-signature-symbol"> }</span></h5>
+								</li>
+								<li>
+									<h5><span class="tsd-flag ts-flagOptional">Optional</span> domain: <span class="tsd-signature-symbol">readonly </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">[]</span></h5>
+								</li>
+							</ul>
+							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a href="../modules/types.html#DBIterator" class="tsd-signature-type" data-tsd-kind="Type alias">DBIterator</a><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">&gt;</span></h4>
+						</li>
+						<li class="tsd-description">
+							<aside class="tsd-sources">
+								<ul>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L124">src/DBTransaction.ts:124</a></li>
+								</ul>
+							</aside>
+							<h4 class="tsd-parameters-title">Parameters</h4>
+							<ul class="tsd-parameters">
+								<li>
+									<h5><span class="tsd-flag ts-flagOptional">Optional</span> options: <span class="tsd-signature-type">AbstractIteratorOptions</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">&gt;</span></h5>
+								</li>
+								<li>
+									<h5><span class="tsd-flag ts-flagOptional">Optional</span> domain: <span class="tsd-signature-symbol">readonly </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">[]</span></h5>
+								</li>
+							</ul>
+							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a href="../modules/types.html#DBIterator" class="tsd-signature-type" data-tsd-kind="Type alias">DBIterator</a><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">&gt;</span></h4>
+						</li>
+					</ul>
+				</section>
 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
 					<a name="put" class="tsd-anchor"></a>
 					<h3>put</h3>
@@ -505,9 +666,8 @@ <h3>put</h3>
 					<ul class="tsd-descriptions">
 						<li class="tsd-description">
 							<aside class="tsd-sources">
-								<p>Implementation of <a href="../interfaces/types.DBTransaction.html">DBTransaction</a>.<a href="../interfaces/types.DBTransaction.html#put">put</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/Transaction.ts#L88">src/Transaction.ts:88</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L311">src/DBTransaction.ts:311</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
@@ -529,9 +689,8 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</
 						</li>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
-								<p>Implementation of <a href="../interfaces/types.DBTransaction.html">DBTransaction</a>.<a href="../interfaces/types.DBTransaction.html#put">put</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/Transaction.ts#L94">src/Transaction.ts:94</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L317">src/DBTransaction.ts:317</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
@@ -562,9 +721,8 @@ <h3>queue<wbr>Failure</h3>
 					<ul class="tsd-descriptions">
 						<li class="tsd-description">
 							<aside class="tsd-sources">
-								<p>Implementation of <a href="../interfaces/types.DBTransaction.html">DBTransaction</a>.<a href="../interfaces/types.DBTransaction.html#queueFailure">queueFailure</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/Transaction.ts#L131">src/Transaction.ts:131</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L359">src/DBTransaction.ts:359</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
@@ -598,9 +756,8 @@ <h3>queue<wbr>Success</h3>
 					<ul class="tsd-descriptions">
 						<li class="tsd-description">
 							<aside class="tsd-sources">
-								<p>Implementation of <a href="../interfaces/types.DBTransaction.html">DBTransaction</a>.<a href="../interfaces/types.DBTransaction.html#queueSuccess">queueSuccess</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/Transaction.ts#L127">src/Transaction.ts:127</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L354">src/DBTransaction.ts:354</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
@@ -635,13 +792,50 @@ <h3>rollback</h3>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/Transaction.ts#L151">src/Transaction.ts:151</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L381">src/DBTransaction.ts:381</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></h4>
 						</li>
 					</ul>
 				</section>
+				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-static">
+					<a name="createTransaction" class="tsd-anchor"></a>
+					<h3><span class="tsd-flag ts-flagStatic">Static</span> create<wbr>Transaction</h3>
+					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-static">
+						<li class="tsd-signature tsd-kind-icon">create<wbr>Transaction<span class="tsd-signature-symbol">(</span>__namedParameters<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">{ </span>db<span class="tsd-signature-symbol">: </span><a href="DB.default.html" class="tsd-signature-type" data-tsd-kind="Class">default</a><span class="tsd-signature-symbol">; </span>logger<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">Logger</span><span class="tsd-signature-symbol">; </span>transactionDb<span class="tsd-signature-symbol">: </span><a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a><span class="tsd-signature-symbol">; </span>transactionId<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol"> }</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a href="DBTransaction.default.html" class="tsd-signature-type" data-tsd-kind="Class">default</a><span class="tsd-signature-symbol">&gt;</span></li>
+					</ul>
+					<ul class="tsd-descriptions">
+						<li class="tsd-description">
+							<aside class="tsd-sources">
+								<ul>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/DBTransaction.ts#L33">src/DBTransaction.ts:33</a></li>
+								</ul>
+							</aside>
+							<h4 class="tsd-parameters-title">Parameters</h4>
+							<ul class="tsd-parameters">
+								<li>
+									<h5>__namedParameters: <span class="tsd-signature-symbol">{ </span>db<span class="tsd-signature-symbol">: </span><a href="DB.default.html" class="tsd-signature-type" data-tsd-kind="Class">default</a><span class="tsd-signature-symbol">; </span>logger<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">Logger</span><span class="tsd-signature-symbol">; </span>transactionDb<span class="tsd-signature-symbol">: </span><a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a><span class="tsd-signature-symbol">; </span>transactionId<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol"> }</span></h5>
+									<ul class="tsd-parameters">
+										<li class="tsd-parameter">
+											<h5>db<span class="tsd-signature-symbol">: </span><a href="DB.default.html" class="tsd-signature-type" data-tsd-kind="Class">default</a></h5>
+										</li>
+										<li class="tsd-parameter">
+											<h5><span class="tsd-flag ts-flagOptional">Optional</span> logger<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">Logger</span></h5>
+										</li>
+										<li class="tsd-parameter">
+											<h5>transaction<wbr>Db<span class="tsd-signature-symbol">: </span><a href="../modules/types.html#DBLevel" class="tsd-signature-type" data-tsd-kind="Type alias">DBLevel</a></h5>
+										</li>
+										<li class="tsd-parameter">
+											<h5>transaction<wbr>Id<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span></h5>
+										</li>
+									</ul>
+								</li>
+							</ul>
+							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a href="DBTransaction.default.html" class="tsd-signature-type" data-tsd-kind="Class">default</a><span class="tsd-signature-symbol">&gt;</span></h4>
+						</li>
+					</ul>
+				</section>
 			</section>
 		</div>
 		<div class="col-4 col-menu menu-sticky-wrap menu-highlight">
@@ -654,7 +848,7 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</
 						<a href="../modules/DB.html">DB</a>
 					</li>
 					<li class="current tsd-kind-module">
-						<a href="../modules/Transaction.html">Transaction</a>
+						<a href="../modules/DBTransaction.html">DBTransaction</a>
 					</li>
 					<li class=" tsd-kind-module">
 						<a href="../modules/errors.html">errors</a>
@@ -675,76 +869,103 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</
 				</ul>
 				<ul class="current">
 					<li class="current tsd-kind-class tsd-parent-kind-module">
-						<a href="Transaction.default.html" class="tsd-kind-icon">default</a>
+						<a href="DBTransaction.default.html" class="tsd-kind-icon">default</a>
 						<ul>
-							<li class=" tsd-kind-constructor tsd-parent-kind-class">
-								<a href="Transaction.default.html#constructor" class="tsd-kind-icon">constructor</a>
+							<li class=" tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited">
+								<a href="DBTransaction.default.html#constructor" class="tsd-kind-icon">constructor</a>
+							</li>
+							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external">
+								<a href="DBTransaction.default.html#_initLock_" class="tsd-kind-icon">[init<wbr>Lock]</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-protected">
-								<a href="Transaction.default.html#_callbacksFailure" class="tsd-kind-icon">_callbacks<wbr>Failure</a>
+								<a href="DBTransaction.default.html#_callbacksFailure" class="tsd-kind-icon">_callbacks<wbr>Failure</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-protected">
-								<a href="Transaction.default.html#_callbacksSuccess" class="tsd-kind-icon">_callbacks<wbr>Success</a>
+								<a href="DBTransaction.default.html#_callbacksSuccess" class="tsd-kind-icon">_callbacks<wbr>Success</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-protected">
-								<a href="Transaction.default.html#_committed" class="tsd-kind-icon">_committed</a>
+								<a href="DBTransaction.default.html#_committed" class="tsd-kind-icon">_committed</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-protected">
-								<a href="Transaction.default.html#_ops" class="tsd-kind-icon">_ops</a>
+								<a href="DBTransaction.default.html#_ops" class="tsd-kind-icon">_ops</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-protected">
-								<a href="Transaction.default.html#_rollbacked" class="tsd-kind-icon">_rollbacked</a>
+								<a href="DBTransaction.default.html#_rollbacked" class="tsd-kind-icon">_rollbacked</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-protected">
-								<a href="Transaction.default.html#_snap" class="tsd-kind-icon">_snap</a>
+								<a href="DBTransaction.default.html#db" class="tsd-kind-icon">db</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-protected">
-								<a href="Transaction.default.html#db" class="tsd-kind-icon">db</a>
+								<a href="DBTransaction.default.html#logger" class="tsd-kind-icon">logger</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-protected">
-								<a href="Transaction.default.html#logger" class="tsd-kind-icon">logger</a>
+								<a href="DBTransaction.default.html#transactionDb" class="tsd-kind-icon">transaction<wbr>Db</a>
 							</li>
-							<li class=" tsd-kind-get-signature tsd-parent-kind-class">
-								<a href="Transaction.default.html#callbacksFailure" class="tsd-kind-icon">callbacks<wbr>Failure</a>
+							<li class=" tsd-kind-property tsd-parent-kind-class">
+								<a href="DBTransaction.default.html#transactionId" class="tsd-kind-icon">transaction<wbr>Id</a>
+							</li>
+							<li class=" tsd-kind-get-signature tsd-parent-kind-class tsd-is-external">
+								<a href="DBTransaction.default.html#_destroyed_" class="tsd-kind-icon">[destroyed]</a>
+							</li>
+							<li class=" tsd-kind-get-signature tsd-parent-kind-class tsd-is-external">
+								<a href="DBTransaction.default.html#_status_" class="tsd-kind-icon">[status]</a>
 							</li>
 							<li class=" tsd-kind-get-signature tsd-parent-kind-class">
-								<a href="Transaction.default.html#callbacksSuccess" class="tsd-kind-icon">callbacks<wbr>Success</a>
+								<a href="DBTransaction.default.html#callbacksFailure" class="tsd-kind-icon">callbacks<wbr>Failure</a>
 							</li>
 							<li class=" tsd-kind-get-signature tsd-parent-kind-class">
-								<a href="Transaction.default.html#committed" class="tsd-kind-icon">committed</a>
+								<a href="DBTransaction.default.html#callbacksSuccess" class="tsd-kind-icon">callbacks<wbr>Success</a>
 							</li>
 							<li class=" tsd-kind-get-signature tsd-parent-kind-class">
-								<a href="Transaction.default.html#ops" class="tsd-kind-icon">ops</a>
+								<a href="DBTransaction.default.html#committed" class="tsd-kind-icon">committed</a>
 							</li>
 							<li class=" tsd-kind-get-signature tsd-parent-kind-class">
-								<a href="Transaction.default.html#rollbacked" class="tsd-kind-icon">rollbacked</a>
+								<a href="DBTransaction.default.html#ops" class="tsd-kind-icon">ops</a>
 							</li>
 							<li class=" tsd-kind-get-signature tsd-parent-kind-class">
-								<a href="Transaction.default.html#snap" class="tsd-kind-icon">snap</a>
+								<a href="DBTransaction.default.html#rollbacked" class="tsd-kind-icon">rollbacked</a>
+							</li>
+							<li class=" tsd-kind-method tsd-parent-kind-class">
+								<a href="DBTransaction.default.html#clear" class="tsd-kind-icon">clear</a>
 							</li>
 							<li class=" tsd-kind-method tsd-parent-kind-class">
-								<a href="Transaction.default.html#commit" class="tsd-kind-icon">commit</a>
+								<a href="DBTransaction.default.html#commit" class="tsd-kind-icon">commit</a>
 							</li>
 							<li class=" tsd-kind-method tsd-parent-kind-class">
-								<a href="Transaction.default.html#del" class="tsd-kind-icon">del</a>
+								<a href="DBTransaction.default.html#count" class="tsd-kind-icon">count</a>
 							</li>
 							<li class=" tsd-kind-method tsd-parent-kind-class">
-								<a href="Transaction.default.html#finalize" class="tsd-kind-icon">finalize</a>
+								<a href="DBTransaction.default.html#del" class="tsd-kind-icon">del</a>
+							</li>
+							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
+								<a href="DBTransaction.default.html#destroy" class="tsd-kind-icon">destroy</a>
+							</li>
+							<li class=" tsd-kind-method tsd-parent-kind-class">
+								<a href="DBTransaction.default.html#dump" class="tsd-kind-icon">dump</a>
+							</li>
+							<li class=" tsd-kind-method tsd-parent-kind-class">
+								<a href="DBTransaction.default.html#finalize" class="tsd-kind-icon">finalize</a>
 							</li>
 							<li class=" tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter">
-								<a href="Transaction.default.html#get" class="tsd-kind-icon">get</a>
+								<a href="DBTransaction.default.html#get" class="tsd-kind-icon">get</a>
+							</li>
+							<li class=" tsd-kind-method tsd-parent-kind-class">
+								<a href="DBTransaction.default.html#iterator" class="tsd-kind-icon">iterator</a>
 							</li>
 							<li class=" tsd-kind-method tsd-parent-kind-class">
-								<a href="Transaction.default.html#put" class="tsd-kind-icon">put</a>
+								<a href="DBTransaction.default.html#put" class="tsd-kind-icon">put</a>
 							</li>
 							<li class=" tsd-kind-method tsd-parent-kind-class">
-								<a href="Transaction.default.html#queueFailure" class="tsd-kind-icon">queue<wbr>Failure</a>
+								<a href="DBTransaction.default.html#queueFailure" class="tsd-kind-icon">queue<wbr>Failure</a>
 							</li>
 							<li class=" tsd-kind-method tsd-parent-kind-class">
-								<a href="Transaction.default.html#queueSuccess" class="tsd-kind-icon">queue<wbr>Success</a>
+								<a href="DBTransaction.default.html#queueSuccess" class="tsd-kind-icon">queue<wbr>Success</a>
 							</li>
 							<li class=" tsd-kind-method tsd-parent-kind-class">
-								<a href="Transaction.default.html#rollback" class="tsd-kind-icon">rollback</a>
+								<a href="DBTransaction.default.html#rollback" class="tsd-kind-icon">rollback</a>
+							</li>
+							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-static">
+								<a href="DBTransaction.default.html#createTransaction" class="tsd-kind-icon">create<wbr>Transaction</a>
 							</li>
 						</ul>
 					</li>
@@ -764,18 +985,26 @@ <h2>Legend</h2>
 				<li class="tsd-kind-function"><span class="tsd-kind-icon">Function</span></li>
 				<li class="tsd-kind-function tsd-has-type-parameter"><span class="tsd-kind-icon">Function with type parameter</span></li>
 				<li class="tsd-kind-type-alias"><span class="tsd-kind-icon">Type alias</span></li>
+				<li class="tsd-kind-type-alias tsd-has-type-parameter"><span class="tsd-kind-icon">Type alias with type parameter</span></li>
 			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-class"><span class="tsd-kind-icon">Class</span></li>
-				<li class="tsd-kind-constructor tsd-parent-kind-class"><span class="tsd-kind-icon">Constructor</span></li>
+				<li class="tsd-kind-property tsd-parent-kind-class"><span class="tsd-kind-icon">Property</span></li>
 				<li class="tsd-kind-method tsd-parent-kind-class"><span class="tsd-kind-icon">Method</span></li>
 			</ul>
+			<ul class="tsd-legend">
+				<li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited constructor</span></li>
+				<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited method</span></li>
+			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-interface"><span class="tsd-kind-icon">Interface</span></li>
 			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><span class="tsd-kind-icon">Protected property</span></li>
 			</ul>
+			<ul class="tsd-legend">
+				<li class="tsd-kind-method tsd-parent-kind-class tsd-is-static"><span class="tsd-kind-icon">Static method</span></li>
+			</ul>
 		</div>
 	</div>
 </footer>
diff --git a/docs/classes/errors.ErrorDB.html b/docs/classes/errors.ErrorDB.html
index 07eecf05..a0f808f3 100644
--- a/docs/classes/errors.ErrorDB.html
+++ b/docs/classes/errors.ErrorDB.html
@@ -102,13 +102,16 @@ <h3>Hierarchy</h3>
 										<a href="errors.ErrorDBParse.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDBParse</a>
 									</li>
 									<li>
-										<a href="errors.ErrorDBCommitted.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDBCommitted</a>
+										<a href="errors.ErrorDBTransactionDestroyed.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDBTransactionDestroyed</a>
 									</li>
 									<li>
-										<a href="errors.ErrorDBNotCommited.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDBNotCommited</a>
+										<a href="errors.ErrorDBTransactionCommitted.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDBTransactionCommitted</a>
 									</li>
 									<li>
-										<a href="errors.ErrorDBRollbacked.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDBRollbacked</a>
+										<a href="errors.ErrorDBTransactionNotCommited.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDBTransactionNotCommited</a>
+									</li>
+									<li>
+										<a href="errors.ErrorDBTransactionRollbacked.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDBTransactionRollbacked</a>
 									</li>
 								</ul>
 							</li>
@@ -333,7 +336,7 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 						<a href="../modules/DB.html">DB</a>
 					</li>
 					<li class=" tsd-kind-module">
-						<a href="../modules/Transaction.html">Transaction</a>
+						<a href="../modules/DBTransaction.html">DBTransaction</a>
 					</li>
 					<li class="current tsd-kind-module">
 						<a href="../modules/errors.html">errors</a>
@@ -387,9 +390,6 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 					</li>
 				</ul>
 				<ul class="after-current">
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBCommitted.html" class="tsd-kind-icon">ErrorDBCommitted</a>
-					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBCreate.html" class="tsd-kind-icon">ErrorDBCreate</a>
 					</li>
@@ -405,9 +405,6 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBLevelPrefix.html" class="tsd-kind-icon">ErrorDBLevel<wbr>Prefix</a>
 					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBNotCommited.html" class="tsd-kind-icon">ErrorDBNot<wbr>Commited</a>
-					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBNotRunning.html" class="tsd-kind-icon">ErrorDBNot<wbr>Running</a>
 					</li>
@@ -415,10 +412,19 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 						<a href="errors.ErrorDBParse.html" class="tsd-kind-icon">ErrorDBParse</a>
 					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBRollbacked.html" class="tsd-kind-icon">ErrorDBRollbacked</a>
+						<a href="errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionCommitted.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Committed</a>
 					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a>
+						<a href="errors.ErrorDBTransactionDestroyed.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Destroyed</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionNotCommited.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Not<wbr>Commited</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionRollbacked.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Rollbacked</a>
 					</li>
 				</ul>
 			</nav>
@@ -434,6 +440,7 @@ <h2>Legend</h2>
 				<li class="tsd-kind-function"><span class="tsd-kind-icon">Function</span></li>
 				<li class="tsd-kind-function tsd-has-type-parameter"><span class="tsd-kind-icon">Function with type parameter</span></li>
 				<li class="tsd-kind-type-alias"><span class="tsd-kind-icon">Type alias</span></li>
+				<li class="tsd-kind-type-alias tsd-has-type-parameter"><span class="tsd-kind-icon">Type alias with type parameter</span></li>
 			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-class"><span class="tsd-kind-icon">Class</span></li>
diff --git a/docs/classes/errors.ErrorDBCreate.html b/docs/classes/errors.ErrorDBCreate.html
index b7060db8..d8820c27 100644
--- a/docs/classes/errors.ErrorDBCreate.html
+++ b/docs/classes/errors.ErrorDBCreate.html
@@ -300,7 +300,7 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 						<a href="../modules/DB.html">DB</a>
 					</li>
 					<li class=" tsd-kind-module">
-						<a href="../modules/Transaction.html">Transaction</a>
+						<a href="../modules/DBTransaction.html">DBTransaction</a>
 					</li>
 					<li class="current tsd-kind-module">
 						<a href="../modules/errors.html">errors</a>
@@ -321,9 +321,6 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDB.html" class="tsd-kind-icon">ErrorDB</a>
 					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBCommitted.html" class="tsd-kind-icon">ErrorDBCommitted</a>
-					</li>
 				</ul>
 				<ul class="current">
 					<li class="current tsd-kind-class tsd-parent-kind-module">
@@ -372,9 +369,6 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBLevelPrefix.html" class="tsd-kind-icon">ErrorDBLevel<wbr>Prefix</a>
 					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBNotCommited.html" class="tsd-kind-icon">ErrorDBNot<wbr>Commited</a>
-					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBNotRunning.html" class="tsd-kind-icon">ErrorDBNot<wbr>Running</a>
 					</li>
@@ -382,10 +376,19 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 						<a href="errors.ErrorDBParse.html" class="tsd-kind-icon">ErrorDBParse</a>
 					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBRollbacked.html" class="tsd-kind-icon">ErrorDBRollbacked</a>
+						<a href="errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a>
 					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a>
+						<a href="errors.ErrorDBTransactionCommitted.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Committed</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionDestroyed.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Destroyed</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionNotCommited.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Not<wbr>Commited</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionRollbacked.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Rollbacked</a>
 					</li>
 				</ul>
 			</nav>
@@ -401,6 +404,7 @@ <h2>Legend</h2>
 				<li class="tsd-kind-function"><span class="tsd-kind-icon">Function</span></li>
 				<li class="tsd-kind-function tsd-has-type-parameter"><span class="tsd-kind-icon">Function with type parameter</span></li>
 				<li class="tsd-kind-type-alias"><span class="tsd-kind-icon">Type alias</span></li>
+				<li class="tsd-kind-type-alias tsd-has-type-parameter"><span class="tsd-kind-icon">Type alias with type parameter</span></li>
 			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited constructor</span></li>
diff --git a/docs/classes/errors.ErrorDBDecrypt.html b/docs/classes/errors.ErrorDBDecrypt.html
index 38eb9f46..c865d227 100644
--- a/docs/classes/errors.ErrorDBDecrypt.html
+++ b/docs/classes/errors.ErrorDBDecrypt.html
@@ -300,7 +300,7 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 						<a href="../modules/DB.html">DB</a>
 					</li>
 					<li class=" tsd-kind-module">
-						<a href="../modules/Transaction.html">Transaction</a>
+						<a href="../modules/DBTransaction.html">DBTransaction</a>
 					</li>
 					<li class="current tsd-kind-module">
 						<a href="../modules/errors.html">errors</a>
@@ -321,9 +321,6 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDB.html" class="tsd-kind-icon">ErrorDB</a>
 					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBCommitted.html" class="tsd-kind-icon">ErrorDBCommitted</a>
-					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBCreate.html" class="tsd-kind-icon">ErrorDBCreate</a>
 					</li>
@@ -372,9 +369,6 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBLevelPrefix.html" class="tsd-kind-icon">ErrorDBLevel<wbr>Prefix</a>
 					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBNotCommited.html" class="tsd-kind-icon">ErrorDBNot<wbr>Commited</a>
-					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBNotRunning.html" class="tsd-kind-icon">ErrorDBNot<wbr>Running</a>
 					</li>
@@ -382,10 +376,19 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 						<a href="errors.ErrorDBParse.html" class="tsd-kind-icon">ErrorDBParse</a>
 					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBRollbacked.html" class="tsd-kind-icon">ErrorDBRollbacked</a>
+						<a href="errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a>
 					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a>
+						<a href="errors.ErrorDBTransactionCommitted.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Committed</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionDestroyed.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Destroyed</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionNotCommited.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Not<wbr>Commited</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionRollbacked.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Rollbacked</a>
 					</li>
 				</ul>
 			</nav>
@@ -401,6 +404,7 @@ <h2>Legend</h2>
 				<li class="tsd-kind-function"><span class="tsd-kind-icon">Function</span></li>
 				<li class="tsd-kind-function tsd-has-type-parameter"><span class="tsd-kind-icon">Function with type parameter</span></li>
 				<li class="tsd-kind-type-alias"><span class="tsd-kind-icon">Type alias</span></li>
+				<li class="tsd-kind-type-alias tsd-has-type-parameter"><span class="tsd-kind-icon">Type alias with type parameter</span></li>
 			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited constructor</span></li>
diff --git a/docs/classes/errors.ErrorDBDelete.html b/docs/classes/errors.ErrorDBDelete.html
index 2d9401a2..2c3fb998 100644
--- a/docs/classes/errors.ErrorDBDelete.html
+++ b/docs/classes/errors.ErrorDBDelete.html
@@ -300,7 +300,7 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 						<a href="../modules/DB.html">DB</a>
 					</li>
 					<li class=" tsd-kind-module">
-						<a href="../modules/Transaction.html">Transaction</a>
+						<a href="../modules/DBTransaction.html">DBTransaction</a>
 					</li>
 					<li class="current tsd-kind-module">
 						<a href="../modules/errors.html">errors</a>
@@ -321,9 +321,6 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDB.html" class="tsd-kind-icon">ErrorDB</a>
 					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBCommitted.html" class="tsd-kind-icon">ErrorDBCommitted</a>
-					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBCreate.html" class="tsd-kind-icon">ErrorDBCreate</a>
 					</li>
@@ -372,9 +369,6 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBLevelPrefix.html" class="tsd-kind-icon">ErrorDBLevel<wbr>Prefix</a>
 					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBNotCommited.html" class="tsd-kind-icon">ErrorDBNot<wbr>Commited</a>
-					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBNotRunning.html" class="tsd-kind-icon">ErrorDBNot<wbr>Running</a>
 					</li>
@@ -382,10 +376,19 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 						<a href="errors.ErrorDBParse.html" class="tsd-kind-icon">ErrorDBParse</a>
 					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBRollbacked.html" class="tsd-kind-icon">ErrorDBRollbacked</a>
+						<a href="errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a>
 					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a>
+						<a href="errors.ErrorDBTransactionCommitted.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Committed</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionDestroyed.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Destroyed</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionNotCommited.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Not<wbr>Commited</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionRollbacked.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Rollbacked</a>
 					</li>
 				</ul>
 			</nav>
@@ -401,6 +404,7 @@ <h2>Legend</h2>
 				<li class="tsd-kind-function"><span class="tsd-kind-icon">Function</span></li>
 				<li class="tsd-kind-function tsd-has-type-parameter"><span class="tsd-kind-icon">Function with type parameter</span></li>
 				<li class="tsd-kind-type-alias"><span class="tsd-kind-icon">Type alias</span></li>
+				<li class="tsd-kind-type-alias tsd-has-type-parameter"><span class="tsd-kind-icon">Type alias with type parameter</span></li>
 			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited constructor</span></li>
diff --git a/docs/classes/errors.ErrorDBDestroyed.html b/docs/classes/errors.ErrorDBDestroyed.html
index 8c7977b9..b5b271f3 100644
--- a/docs/classes/errors.ErrorDBDestroyed.html
+++ b/docs/classes/errors.ErrorDBDestroyed.html
@@ -300,7 +300,7 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 						<a href="../modules/DB.html">DB</a>
 					</li>
 					<li class=" tsd-kind-module">
-						<a href="../modules/Transaction.html">Transaction</a>
+						<a href="../modules/DBTransaction.html">DBTransaction</a>
 					</li>
 					<li class="current tsd-kind-module">
 						<a href="../modules/errors.html">errors</a>
@@ -321,9 +321,6 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDB.html" class="tsd-kind-icon">ErrorDB</a>
 					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBCommitted.html" class="tsd-kind-icon">ErrorDBCommitted</a>
-					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBCreate.html" class="tsd-kind-icon">ErrorDBCreate</a>
 					</li>
@@ -372,9 +369,6 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBLevelPrefix.html" class="tsd-kind-icon">ErrorDBLevel<wbr>Prefix</a>
 					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBNotCommited.html" class="tsd-kind-icon">ErrorDBNot<wbr>Commited</a>
-					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBNotRunning.html" class="tsd-kind-icon">ErrorDBNot<wbr>Running</a>
 					</li>
@@ -382,10 +376,19 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 						<a href="errors.ErrorDBParse.html" class="tsd-kind-icon">ErrorDBParse</a>
 					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBRollbacked.html" class="tsd-kind-icon">ErrorDBRollbacked</a>
+						<a href="errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a>
 					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a>
+						<a href="errors.ErrorDBTransactionCommitted.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Committed</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionDestroyed.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Destroyed</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionNotCommited.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Not<wbr>Commited</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionRollbacked.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Rollbacked</a>
 					</li>
 				</ul>
 			</nav>
@@ -401,6 +404,7 @@ <h2>Legend</h2>
 				<li class="tsd-kind-function"><span class="tsd-kind-icon">Function</span></li>
 				<li class="tsd-kind-function tsd-has-type-parameter"><span class="tsd-kind-icon">Function with type parameter</span></li>
 				<li class="tsd-kind-type-alias"><span class="tsd-kind-icon">Type alias</span></li>
+				<li class="tsd-kind-type-alias tsd-has-type-parameter"><span class="tsd-kind-icon">Type alias with type parameter</span></li>
 			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited constructor</span></li>
diff --git a/docs/classes/errors.ErrorDBLevelPrefix.html b/docs/classes/errors.ErrorDBLevelPrefix.html
index 06311846..de557b97 100644
--- a/docs/classes/errors.ErrorDBLevelPrefix.html
+++ b/docs/classes/errors.ErrorDBLevelPrefix.html
@@ -300,7 +300,7 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 						<a href="../modules/DB.html">DB</a>
 					</li>
 					<li class=" tsd-kind-module">
-						<a href="../modules/Transaction.html">Transaction</a>
+						<a href="../modules/DBTransaction.html">DBTransaction</a>
 					</li>
 					<li class="current tsd-kind-module">
 						<a href="../modules/errors.html">errors</a>
@@ -321,9 +321,6 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDB.html" class="tsd-kind-icon">ErrorDB</a>
 					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBCommitted.html" class="tsd-kind-icon">ErrorDBCommitted</a>
-					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBCreate.html" class="tsd-kind-icon">ErrorDBCreate</a>
 					</li>
@@ -372,9 +369,6 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 					</li>
 				</ul>
 				<ul class="after-current">
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBNotCommited.html" class="tsd-kind-icon">ErrorDBNot<wbr>Commited</a>
-					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBNotRunning.html" class="tsd-kind-icon">ErrorDBNot<wbr>Running</a>
 					</li>
@@ -382,10 +376,19 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 						<a href="errors.ErrorDBParse.html" class="tsd-kind-icon">ErrorDBParse</a>
 					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBRollbacked.html" class="tsd-kind-icon">ErrorDBRollbacked</a>
+						<a href="errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a>
 					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a>
+						<a href="errors.ErrorDBTransactionCommitted.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Committed</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionDestroyed.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Destroyed</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionNotCommited.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Not<wbr>Commited</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionRollbacked.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Rollbacked</a>
 					</li>
 				</ul>
 			</nav>
@@ -401,6 +404,7 @@ <h2>Legend</h2>
 				<li class="tsd-kind-function"><span class="tsd-kind-icon">Function</span></li>
 				<li class="tsd-kind-function tsd-has-type-parameter"><span class="tsd-kind-icon">Function with type parameter</span></li>
 				<li class="tsd-kind-type-alias"><span class="tsd-kind-icon">Type alias</span></li>
+				<li class="tsd-kind-type-alias tsd-has-type-parameter"><span class="tsd-kind-icon">Type alias with type parameter</span></li>
 			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited constructor</span></li>
diff --git a/docs/classes/errors.ErrorDBNotRunning.html b/docs/classes/errors.ErrorDBNotRunning.html
index 33c66af6..d3778534 100644
--- a/docs/classes/errors.ErrorDBNotRunning.html
+++ b/docs/classes/errors.ErrorDBNotRunning.html
@@ -300,7 +300,7 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 						<a href="../modules/DB.html">DB</a>
 					</li>
 					<li class=" tsd-kind-module">
-						<a href="../modules/Transaction.html">Transaction</a>
+						<a href="../modules/DBTransaction.html">DBTransaction</a>
 					</li>
 					<li class="current tsd-kind-module">
 						<a href="../modules/errors.html">errors</a>
@@ -321,9 +321,6 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDB.html" class="tsd-kind-icon">ErrorDB</a>
 					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBCommitted.html" class="tsd-kind-icon">ErrorDBCommitted</a>
-					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBCreate.html" class="tsd-kind-icon">ErrorDBCreate</a>
 					</li>
@@ -339,9 +336,6 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBLevelPrefix.html" class="tsd-kind-icon">ErrorDBLevel<wbr>Prefix</a>
 					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBNotCommited.html" class="tsd-kind-icon">ErrorDBNot<wbr>Commited</a>
-					</li>
 				</ul>
 				<ul class="current">
 					<li class="current tsd-kind-class tsd-parent-kind-module">
@@ -382,10 +376,19 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 						<a href="errors.ErrorDBParse.html" class="tsd-kind-icon">ErrorDBParse</a>
 					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBRollbacked.html" class="tsd-kind-icon">ErrorDBRollbacked</a>
+						<a href="errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a>
 					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a>
+						<a href="errors.ErrorDBTransactionCommitted.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Committed</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionDestroyed.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Destroyed</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionNotCommited.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Not<wbr>Commited</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionRollbacked.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Rollbacked</a>
 					</li>
 				</ul>
 			</nav>
@@ -401,6 +404,7 @@ <h2>Legend</h2>
 				<li class="tsd-kind-function"><span class="tsd-kind-icon">Function</span></li>
 				<li class="tsd-kind-function tsd-has-type-parameter"><span class="tsd-kind-icon">Function with type parameter</span></li>
 				<li class="tsd-kind-type-alias"><span class="tsd-kind-icon">Type alias</span></li>
+				<li class="tsd-kind-type-alias tsd-has-type-parameter"><span class="tsd-kind-icon">Type alias with type parameter</span></li>
 			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited constructor</span></li>
diff --git a/docs/classes/errors.ErrorDBParse.html b/docs/classes/errors.ErrorDBParse.html
index c71cd99e..1ee572b2 100644
--- a/docs/classes/errors.ErrorDBParse.html
+++ b/docs/classes/errors.ErrorDBParse.html
@@ -300,7 +300,7 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 						<a href="../modules/DB.html">DB</a>
 					</li>
 					<li class=" tsd-kind-module">
-						<a href="../modules/Transaction.html">Transaction</a>
+						<a href="../modules/DBTransaction.html">DBTransaction</a>
 					</li>
 					<li class="current tsd-kind-module">
 						<a href="../modules/errors.html">errors</a>
@@ -321,9 +321,6 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDB.html" class="tsd-kind-icon">ErrorDB</a>
 					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBCommitted.html" class="tsd-kind-icon">ErrorDBCommitted</a>
-					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBCreate.html" class="tsd-kind-icon">ErrorDBCreate</a>
 					</li>
@@ -339,9 +336,6 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBLevelPrefix.html" class="tsd-kind-icon">ErrorDBLevel<wbr>Prefix</a>
 					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBNotCommited.html" class="tsd-kind-icon">ErrorDBNot<wbr>Commited</a>
-					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBNotRunning.html" class="tsd-kind-icon">ErrorDBNot<wbr>Running</a>
 					</li>
@@ -382,10 +376,19 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 				</ul>
 				<ul class="after-current">
 					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBRollbacked.html" class="tsd-kind-icon">ErrorDBRollbacked</a>
+						<a href="errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a>
 					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a>
+						<a href="errors.ErrorDBTransactionCommitted.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Committed</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionDestroyed.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Destroyed</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionNotCommited.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Not<wbr>Commited</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionRollbacked.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Rollbacked</a>
 					</li>
 				</ul>
 			</nav>
@@ -401,6 +404,7 @@ <h2>Legend</h2>
 				<li class="tsd-kind-function"><span class="tsd-kind-icon">Function</span></li>
 				<li class="tsd-kind-function tsd-has-type-parameter"><span class="tsd-kind-icon">Function with type parameter</span></li>
 				<li class="tsd-kind-type-alias"><span class="tsd-kind-icon">Type alias</span></li>
+				<li class="tsd-kind-type-alias tsd-has-type-parameter"><span class="tsd-kind-icon">Type alias with type parameter</span></li>
 			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited constructor</span></li>
diff --git a/docs/classes/errors.ErrorDBRunning.html b/docs/classes/errors.ErrorDBRunning.html
index 36c78309..7efc6bda 100644
--- a/docs/classes/errors.ErrorDBRunning.html
+++ b/docs/classes/errors.ErrorDBRunning.html
@@ -300,7 +300,7 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 						<a href="../modules/DB.html">DB</a>
 					</li>
 					<li class=" tsd-kind-module">
-						<a href="../modules/Transaction.html">Transaction</a>
+						<a href="../modules/DBTransaction.html">DBTransaction</a>
 					</li>
 					<li class="current tsd-kind-module">
 						<a href="../modules/errors.html">errors</a>
@@ -321,9 +321,6 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDB.html" class="tsd-kind-icon">ErrorDB</a>
 					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBCommitted.html" class="tsd-kind-icon">ErrorDBCommitted</a>
-					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBCreate.html" class="tsd-kind-icon">ErrorDBCreate</a>
 					</li>
@@ -339,18 +336,12 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBLevelPrefix.html" class="tsd-kind-icon">ErrorDBLevel<wbr>Prefix</a>
 					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBNotCommited.html" class="tsd-kind-icon">ErrorDBNot<wbr>Commited</a>
-					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBNotRunning.html" class="tsd-kind-icon">ErrorDBNot<wbr>Running</a>
 					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBParse.html" class="tsd-kind-icon">ErrorDBParse</a>
 					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBRollbacked.html" class="tsd-kind-icon">ErrorDBRollbacked</a>
-					</li>
 				</ul>
 				<ul class="current">
 					<li class="current tsd-kind-class tsd-parent-kind-module">
@@ -387,6 +378,18 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 					</li>
 				</ul>
 				<ul class="after-current">
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionCommitted.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Committed</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionDestroyed.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Destroyed</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionNotCommited.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Not<wbr>Commited</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionRollbacked.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Rollbacked</a>
+					</li>
 				</ul>
 			</nav>
 		</div>
@@ -401,6 +404,7 @@ <h2>Legend</h2>
 				<li class="tsd-kind-function"><span class="tsd-kind-icon">Function</span></li>
 				<li class="tsd-kind-function tsd-has-type-parameter"><span class="tsd-kind-icon">Function with type parameter</span></li>
 				<li class="tsd-kind-type-alias"><span class="tsd-kind-icon">Type alias</span></li>
+				<li class="tsd-kind-type-alias tsd-has-type-parameter"><span class="tsd-kind-icon">Type alias with type parameter</span></li>
 			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited constructor</span></li>
diff --git a/docs/classes/errors.ErrorDBCommitted.html b/docs/classes/errors.ErrorDBTransactionCommitted.html
similarity index 83%
rename from docs/classes/errors.ErrorDBCommitted.html
rename to docs/classes/errors.ErrorDBTransactionCommitted.html
index 9169fb06..ce7e0511 100644
--- a/docs/classes/errors.ErrorDBCommitted.html
+++ b/docs/classes/errors.ErrorDBTransactionCommitted.html
@@ -3,7 +3,7 @@
 <head>
 	<meta charset="utf-8">
 	<meta http-equiv="X-UA-Compatible" content="IE=edge">
-	<title>ErrorDBCommitted | @matrixai/db</title>
+	<title>ErrorDBTransactionCommitted | @matrixai/db</title>
 	<meta name="description" content="Documentation for @matrixai/db">
 	<meta name="viewport" content="width=device-width, initial-scale=1">
 	<link rel="stylesheet" href="../assets/css/main.css">
@@ -58,10 +58,10 @@
 					<a href="../modules/errors.html">errors</a>
 				</li>
 				<li>
-					<a href="errors.ErrorDBCommitted.html">ErrorDBCommitted</a>
+					<a href="errors.ErrorDBTransactionCommitted.html">ErrorDBTransactionCommitted</a>
 				</li>
 			</ul>
-			<h1>Class ErrorDBCommitted</h1>
+			<h1>Class ErrorDBTransactionCommitted</h1>
 		</div>
 	</div>
 </header>
@@ -75,7 +75,7 @@ <h3>Hierarchy</h3>
 						<a href="errors.ErrorDB.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDB</a>
 						<ul class="tsd-hierarchy">
 							<li>
-								<span class="target">ErrorDBCommitted</span>
+								<span class="target">ErrorDBTransactionCommitted</span>
 							</li>
 						</ul>
 					</li>
@@ -88,25 +88,25 @@ <h2>Index</h2>
 						<section class="tsd-index-section tsd-is-inherited">
 							<h3>Constructors</h3>
 							<ul class="tsd-index-list">
-								<li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited"><a href="errors.ErrorDBCommitted.html#constructor" class="tsd-kind-icon">constructor</a></li>
+								<li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited"><a href="errors.ErrorDBTransactionCommitted.html#constructor" class="tsd-kind-icon">constructor</a></li>
 							</ul>
 						</section>
 						<section class="tsd-index-section tsd-is-inherited">
 							<h3>Properties</h3>
 							<ul class="tsd-index-list">
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited"><a href="errors.ErrorDBCommitted.html#cause" class="tsd-kind-icon">cause</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited"><a href="errors.ErrorDBCommitted.html#data" class="tsd-kind-icon">data</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external"><a href="errors.ErrorDBCommitted.html#message" class="tsd-kind-icon">message</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external"><a href="errors.ErrorDBCommitted.html#name" class="tsd-kind-icon">name</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external"><a href="errors.ErrorDBCommitted.html#stack" class="tsd-kind-icon">stack</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="errors.ErrorDBCommitted.html#prepareStackTrace" class="tsd-kind-icon">prepare<wbr>Stack<wbr>Trace</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="errors.ErrorDBCommitted.html#stackTraceLimit" class="tsd-kind-icon">stack<wbr>Trace<wbr>Limit</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited"><a href="errors.ErrorDBTransactionCommitted.html#cause" class="tsd-kind-icon">cause</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited"><a href="errors.ErrorDBTransactionCommitted.html#data" class="tsd-kind-icon">data</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external"><a href="errors.ErrorDBTransactionCommitted.html#message" class="tsd-kind-icon">message</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external"><a href="errors.ErrorDBTransactionCommitted.html#name" class="tsd-kind-icon">name</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external"><a href="errors.ErrorDBTransactionCommitted.html#stack" class="tsd-kind-icon">stack</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="errors.ErrorDBTransactionCommitted.html#prepareStackTrace" class="tsd-kind-icon">prepare<wbr>Stack<wbr>Trace</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="errors.ErrorDBTransactionCommitted.html#stackTraceLimit" class="tsd-kind-icon">stack<wbr>Trace<wbr>Limit</a></li>
 							</ul>
 						</section>
 						<section class="tsd-index-section tsd-is-inherited tsd-is-external">
 							<h3>Methods</h3>
 							<ul class="tsd-index-list">
-								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="errors.ErrorDBCommitted.html#captureStackTrace" class="tsd-kind-icon">capture<wbr>Stack<wbr>Trace</a></li>
+								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="errors.ErrorDBTransactionCommitted.html#captureStackTrace" class="tsd-kind-icon">capture<wbr>Stack<wbr>Trace</a></li>
 							</ul>
 						</section>
 					</div>
@@ -118,7 +118,7 @@ <h2>Constructors</h2>
 					<a name="constructor" class="tsd-anchor"></a>
 					<h3>constructor</h3>
 					<ul class="tsd-signatures tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited">
-						<li class="tsd-signature tsd-kind-icon">new <wbr>ErrorDBCommitted<span class="tsd-signature-symbol">(</span>message<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">string</span>, data<span class="tsd-signature-symbol">?: </span><a href="../modules/types.html#POJO" class="tsd-signature-type" data-tsd-kind="Type alias">POJO</a>, cause<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">ErrorChain</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="errors.ErrorDBCommitted.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDBCommitted</a></li>
+						<li class="tsd-signature tsd-kind-icon">new <wbr>ErrorDBTransaction<wbr>Committed<span class="tsd-signature-symbol">(</span>message<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">string</span>, data<span class="tsd-signature-symbol">?: </span><a href="../modules/types.html#POJO" class="tsd-signature-type" data-tsd-kind="Type alias">POJO</a>, cause<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">ErrorChain</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="errors.ErrorDBTransactionCommitted.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDBTransactionCommitted</a></li>
 					</ul>
 					<ul class="tsd-descriptions">
 						<li class="tsd-description">
@@ -140,7 +140,7 @@ <h5>data: <a href="../modules/types.html#POJO" class="tsd-signature-type" data-t
 									<h5><span class="tsd-flag ts-flagOptional">Optional</span> cause: <span class="tsd-signature-type">ErrorChain</span></h5>
 								</li>
 							</ul>
-							<h4 class="tsd-returns-title">Returns <a href="errors.ErrorDBCommitted.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDBCommitted</a></h4>
+							<h4 class="tsd-returns-title">Returns <a href="errors.ErrorDBTransactionCommitted.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDBTransactionCommitted</a></h4>
 						</li>
 					</ul>
 				</section>
@@ -300,7 +300,7 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 						<a href="../modules/DB.html">DB</a>
 					</li>
 					<li class=" tsd-kind-module">
-						<a href="../modules/Transaction.html">Transaction</a>
+						<a href="../modules/DBTransaction.html">DBTransaction</a>
 					</li>
 					<li class="current tsd-kind-module">
 						<a href="../modules/errors.html">errors</a>
@@ -321,71 +321,74 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDB.html" class="tsd-kind-icon">ErrorDB</a>
 					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBCreate.html" class="tsd-kind-icon">ErrorDBCreate</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBDecrypt.html" class="tsd-kind-icon">ErrorDBDecrypt</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBDelete.html" class="tsd-kind-icon">ErrorDBDelete</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBDestroyed.html" class="tsd-kind-icon">ErrorDBDestroyed</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBLevelPrefix.html" class="tsd-kind-icon">ErrorDBLevel<wbr>Prefix</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBNotRunning.html" class="tsd-kind-icon">ErrorDBNot<wbr>Running</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBParse.html" class="tsd-kind-icon">ErrorDBParse</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a>
+					</li>
 				</ul>
 				<ul class="current">
 					<li class="current tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBCommitted.html" class="tsd-kind-icon">ErrorDBCommitted</a>
+						<a href="errors.ErrorDBTransactionCommitted.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Committed</a>
 						<ul>
 							<li class=" tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited">
-								<a href="errors.ErrorDBCommitted.html#constructor" class="tsd-kind-icon">constructor</a>
+								<a href="errors.ErrorDBTransactionCommitted.html#constructor" class="tsd-kind-icon">constructor</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited">
-								<a href="errors.ErrorDBCommitted.html#cause" class="tsd-kind-icon">cause</a>
+								<a href="errors.ErrorDBTransactionCommitted.html#cause" class="tsd-kind-icon">cause</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited">
-								<a href="errors.ErrorDBCommitted.html#data" class="tsd-kind-icon">data</a>
+								<a href="errors.ErrorDBTransactionCommitted.html#data" class="tsd-kind-icon">data</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external">
-								<a href="errors.ErrorDBCommitted.html#message" class="tsd-kind-icon">message</a>
+								<a href="errors.ErrorDBTransactionCommitted.html#message" class="tsd-kind-icon">message</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external">
-								<a href="errors.ErrorDBCommitted.html#name" class="tsd-kind-icon">name</a>
+								<a href="errors.ErrorDBTransactionCommitted.html#name" class="tsd-kind-icon">name</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external">
-								<a href="errors.ErrorDBCommitted.html#stack" class="tsd-kind-icon">stack</a>
+								<a href="errors.ErrorDBTransactionCommitted.html#stack" class="tsd-kind-icon">stack</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external">
-								<a href="errors.ErrorDBCommitted.html#prepareStackTrace" class="tsd-kind-icon">prepare<wbr>Stack<wbr>Trace</a>
+								<a href="errors.ErrorDBTransactionCommitted.html#prepareStackTrace" class="tsd-kind-icon">prepare<wbr>Stack<wbr>Trace</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external">
-								<a href="errors.ErrorDBCommitted.html#stackTraceLimit" class="tsd-kind-icon">stack<wbr>Trace<wbr>Limit</a>
+								<a href="errors.ErrorDBTransactionCommitted.html#stackTraceLimit" class="tsd-kind-icon">stack<wbr>Trace<wbr>Limit</a>
 							</li>
 							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external">
-								<a href="errors.ErrorDBCommitted.html#captureStackTrace" class="tsd-kind-icon">capture<wbr>Stack<wbr>Trace</a>
+								<a href="errors.ErrorDBTransactionCommitted.html#captureStackTrace" class="tsd-kind-icon">capture<wbr>Stack<wbr>Trace</a>
 							</li>
 						</ul>
 					</li>
 				</ul>
 				<ul class="after-current">
 					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBCreate.html" class="tsd-kind-icon">ErrorDBCreate</a>
-					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBDecrypt.html" class="tsd-kind-icon">ErrorDBDecrypt</a>
-					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBDelete.html" class="tsd-kind-icon">ErrorDBDelete</a>
-					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBDestroyed.html" class="tsd-kind-icon">ErrorDBDestroyed</a>
+						<a href="errors.ErrorDBTransactionDestroyed.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Destroyed</a>
 					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBLevelPrefix.html" class="tsd-kind-icon">ErrorDBLevel<wbr>Prefix</a>
+						<a href="errors.ErrorDBTransactionNotCommited.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Not<wbr>Commited</a>
 					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBNotCommited.html" class="tsd-kind-icon">ErrorDBNot<wbr>Commited</a>
-					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBNotRunning.html" class="tsd-kind-icon">ErrorDBNot<wbr>Running</a>
-					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBParse.html" class="tsd-kind-icon">ErrorDBParse</a>
-					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBRollbacked.html" class="tsd-kind-icon">ErrorDBRollbacked</a>
-					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a>
+						<a href="errors.ErrorDBTransactionRollbacked.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Rollbacked</a>
 					</li>
 				</ul>
 			</nav>
@@ -401,6 +404,7 @@ <h2>Legend</h2>
 				<li class="tsd-kind-function"><span class="tsd-kind-icon">Function</span></li>
 				<li class="tsd-kind-function tsd-has-type-parameter"><span class="tsd-kind-icon">Function with type parameter</span></li>
 				<li class="tsd-kind-type-alias"><span class="tsd-kind-icon">Type alias</span></li>
+				<li class="tsd-kind-type-alias tsd-has-type-parameter"><span class="tsd-kind-icon">Type alias with type parameter</span></li>
 			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited constructor</span></li>
diff --git a/docs/classes/errors.ErrorDBNotCommited.html b/docs/classes/errors.ErrorDBTransactionDestroyed.html
similarity index 83%
rename from docs/classes/errors.ErrorDBNotCommited.html
rename to docs/classes/errors.ErrorDBTransactionDestroyed.html
index b5971e8e..020ee0e9 100644
--- a/docs/classes/errors.ErrorDBNotCommited.html
+++ b/docs/classes/errors.ErrorDBTransactionDestroyed.html
@@ -3,7 +3,7 @@
 <head>
 	<meta charset="utf-8">
 	<meta http-equiv="X-UA-Compatible" content="IE=edge">
-	<title>ErrorDBNotCommited | @matrixai/db</title>
+	<title>ErrorDBTransactionDestroyed | @matrixai/db</title>
 	<meta name="description" content="Documentation for @matrixai/db">
 	<meta name="viewport" content="width=device-width, initial-scale=1">
 	<link rel="stylesheet" href="../assets/css/main.css">
@@ -58,10 +58,10 @@
 					<a href="../modules/errors.html">errors</a>
 				</li>
 				<li>
-					<a href="errors.ErrorDBNotCommited.html">ErrorDBNotCommited</a>
+					<a href="errors.ErrorDBTransactionDestroyed.html">ErrorDBTransactionDestroyed</a>
 				</li>
 			</ul>
-			<h1>Class ErrorDBNotCommited</h1>
+			<h1>Class ErrorDBTransactionDestroyed</h1>
 		</div>
 	</div>
 </header>
@@ -75,7 +75,7 @@ <h3>Hierarchy</h3>
 						<a href="errors.ErrorDB.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDB</a>
 						<ul class="tsd-hierarchy">
 							<li>
-								<span class="target">ErrorDBNotCommited</span>
+								<span class="target">ErrorDBTransactionDestroyed</span>
 							</li>
 						</ul>
 					</li>
@@ -88,25 +88,25 @@ <h2>Index</h2>
 						<section class="tsd-index-section tsd-is-inherited">
 							<h3>Constructors</h3>
 							<ul class="tsd-index-list">
-								<li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited"><a href="errors.ErrorDBNotCommited.html#constructor" class="tsd-kind-icon">constructor</a></li>
+								<li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited"><a href="errors.ErrorDBTransactionDestroyed.html#constructor" class="tsd-kind-icon">constructor</a></li>
 							</ul>
 						</section>
 						<section class="tsd-index-section tsd-is-inherited">
 							<h3>Properties</h3>
 							<ul class="tsd-index-list">
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited"><a href="errors.ErrorDBNotCommited.html#cause" class="tsd-kind-icon">cause</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited"><a href="errors.ErrorDBNotCommited.html#data" class="tsd-kind-icon">data</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external"><a href="errors.ErrorDBNotCommited.html#message" class="tsd-kind-icon">message</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external"><a href="errors.ErrorDBNotCommited.html#name" class="tsd-kind-icon">name</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external"><a href="errors.ErrorDBNotCommited.html#stack" class="tsd-kind-icon">stack</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="errors.ErrorDBNotCommited.html#prepareStackTrace" class="tsd-kind-icon">prepare<wbr>Stack<wbr>Trace</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="errors.ErrorDBNotCommited.html#stackTraceLimit" class="tsd-kind-icon">stack<wbr>Trace<wbr>Limit</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited"><a href="errors.ErrorDBTransactionDestroyed.html#cause" class="tsd-kind-icon">cause</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited"><a href="errors.ErrorDBTransactionDestroyed.html#data" class="tsd-kind-icon">data</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external"><a href="errors.ErrorDBTransactionDestroyed.html#message" class="tsd-kind-icon">message</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external"><a href="errors.ErrorDBTransactionDestroyed.html#name" class="tsd-kind-icon">name</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external"><a href="errors.ErrorDBTransactionDestroyed.html#stack" class="tsd-kind-icon">stack</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="errors.ErrorDBTransactionDestroyed.html#prepareStackTrace" class="tsd-kind-icon">prepare<wbr>Stack<wbr>Trace</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="errors.ErrorDBTransactionDestroyed.html#stackTraceLimit" class="tsd-kind-icon">stack<wbr>Trace<wbr>Limit</a></li>
 							</ul>
 						</section>
 						<section class="tsd-index-section tsd-is-inherited tsd-is-external">
 							<h3>Methods</h3>
 							<ul class="tsd-index-list">
-								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="errors.ErrorDBNotCommited.html#captureStackTrace" class="tsd-kind-icon">capture<wbr>Stack<wbr>Trace</a></li>
+								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="errors.ErrorDBTransactionDestroyed.html#captureStackTrace" class="tsd-kind-icon">capture<wbr>Stack<wbr>Trace</a></li>
 							</ul>
 						</section>
 					</div>
@@ -118,7 +118,7 @@ <h2>Constructors</h2>
 					<a name="constructor" class="tsd-anchor"></a>
 					<h3>constructor</h3>
 					<ul class="tsd-signatures tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited">
-						<li class="tsd-signature tsd-kind-icon">new <wbr>ErrorDBNot<wbr>Commited<span class="tsd-signature-symbol">(</span>message<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">string</span>, data<span class="tsd-signature-symbol">?: </span><a href="../modules/types.html#POJO" class="tsd-signature-type" data-tsd-kind="Type alias">POJO</a>, cause<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">ErrorChain</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="errors.ErrorDBNotCommited.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDBNotCommited</a></li>
+						<li class="tsd-signature tsd-kind-icon">new <wbr>ErrorDBTransaction<wbr>Destroyed<span class="tsd-signature-symbol">(</span>message<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">string</span>, data<span class="tsd-signature-symbol">?: </span><a href="../modules/types.html#POJO" class="tsd-signature-type" data-tsd-kind="Type alias">POJO</a>, cause<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">ErrorChain</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="errors.ErrorDBTransactionDestroyed.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDBTransactionDestroyed</a></li>
 					</ul>
 					<ul class="tsd-descriptions">
 						<li class="tsd-description">
@@ -140,7 +140,7 @@ <h5>data: <a href="../modules/types.html#POJO" class="tsd-signature-type" data-t
 									<h5><span class="tsd-flag ts-flagOptional">Optional</span> cause: <span class="tsd-signature-type">ErrorChain</span></h5>
 								</li>
 							</ul>
-							<h4 class="tsd-returns-title">Returns <a href="errors.ErrorDBNotCommited.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDBNotCommited</a></h4>
+							<h4 class="tsd-returns-title">Returns <a href="errors.ErrorDBTransactionDestroyed.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDBTransactionDestroyed</a></h4>
 						</li>
 					</ul>
 				</section>
@@ -300,7 +300,7 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 						<a href="../modules/DB.html">DB</a>
 					</li>
 					<li class=" tsd-kind-module">
-						<a href="../modules/Transaction.html">Transaction</a>
+						<a href="../modules/DBTransaction.html">DBTransaction</a>
 					</li>
 					<li class="current tsd-kind-module">
 						<a href="../modules/errors.html">errors</a>
@@ -321,9 +321,6 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDB.html" class="tsd-kind-icon">ErrorDB</a>
 					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBCommitted.html" class="tsd-kind-icon">ErrorDBCommitted</a>
-					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBCreate.html" class="tsd-kind-icon">ErrorDBCreate</a>
 					</li>
@@ -339,53 +336,59 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBLevelPrefix.html" class="tsd-kind-icon">ErrorDBLevel<wbr>Prefix</a>
 					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBNotRunning.html" class="tsd-kind-icon">ErrorDBNot<wbr>Running</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBParse.html" class="tsd-kind-icon">ErrorDBParse</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionCommitted.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Committed</a>
+					</li>
 				</ul>
 				<ul class="current">
 					<li class="current tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBNotCommited.html" class="tsd-kind-icon">ErrorDBNot<wbr>Commited</a>
+						<a href="errors.ErrorDBTransactionDestroyed.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Destroyed</a>
 						<ul>
 							<li class=" tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited">
-								<a href="errors.ErrorDBNotCommited.html#constructor" class="tsd-kind-icon">constructor</a>
+								<a href="errors.ErrorDBTransactionDestroyed.html#constructor" class="tsd-kind-icon">constructor</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited">
-								<a href="errors.ErrorDBNotCommited.html#cause" class="tsd-kind-icon">cause</a>
+								<a href="errors.ErrorDBTransactionDestroyed.html#cause" class="tsd-kind-icon">cause</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited">
-								<a href="errors.ErrorDBNotCommited.html#data" class="tsd-kind-icon">data</a>
+								<a href="errors.ErrorDBTransactionDestroyed.html#data" class="tsd-kind-icon">data</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external">
-								<a href="errors.ErrorDBNotCommited.html#message" class="tsd-kind-icon">message</a>
+								<a href="errors.ErrorDBTransactionDestroyed.html#message" class="tsd-kind-icon">message</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external">
-								<a href="errors.ErrorDBNotCommited.html#name" class="tsd-kind-icon">name</a>
+								<a href="errors.ErrorDBTransactionDestroyed.html#name" class="tsd-kind-icon">name</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external">
-								<a href="errors.ErrorDBNotCommited.html#stack" class="tsd-kind-icon">stack</a>
+								<a href="errors.ErrorDBTransactionDestroyed.html#stack" class="tsd-kind-icon">stack</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external">
-								<a href="errors.ErrorDBNotCommited.html#prepareStackTrace" class="tsd-kind-icon">prepare<wbr>Stack<wbr>Trace</a>
+								<a href="errors.ErrorDBTransactionDestroyed.html#prepareStackTrace" class="tsd-kind-icon">prepare<wbr>Stack<wbr>Trace</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external">
-								<a href="errors.ErrorDBNotCommited.html#stackTraceLimit" class="tsd-kind-icon">stack<wbr>Trace<wbr>Limit</a>
+								<a href="errors.ErrorDBTransactionDestroyed.html#stackTraceLimit" class="tsd-kind-icon">stack<wbr>Trace<wbr>Limit</a>
 							</li>
 							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external">
-								<a href="errors.ErrorDBNotCommited.html#captureStackTrace" class="tsd-kind-icon">capture<wbr>Stack<wbr>Trace</a>
+								<a href="errors.ErrorDBTransactionDestroyed.html#captureStackTrace" class="tsd-kind-icon">capture<wbr>Stack<wbr>Trace</a>
 							</li>
 						</ul>
 					</li>
 				</ul>
 				<ul class="after-current">
 					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBNotRunning.html" class="tsd-kind-icon">ErrorDBNot<wbr>Running</a>
-					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBParse.html" class="tsd-kind-icon">ErrorDBParse</a>
+						<a href="errors.ErrorDBTransactionNotCommited.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Not<wbr>Commited</a>
 					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBRollbacked.html" class="tsd-kind-icon">ErrorDBRollbacked</a>
-					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a>
+						<a href="errors.ErrorDBTransactionRollbacked.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Rollbacked</a>
 					</li>
 				</ul>
 			</nav>
@@ -401,6 +404,7 @@ <h2>Legend</h2>
 				<li class="tsd-kind-function"><span class="tsd-kind-icon">Function</span></li>
 				<li class="tsd-kind-function tsd-has-type-parameter"><span class="tsd-kind-icon">Function with type parameter</span></li>
 				<li class="tsd-kind-type-alias"><span class="tsd-kind-icon">Type alias</span></li>
+				<li class="tsd-kind-type-alias tsd-has-type-parameter"><span class="tsd-kind-icon">Type alias with type parameter</span></li>
 			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited constructor</span></li>
diff --git a/docs/classes/errors.ErrorDBTransactionNotCommited.html b/docs/classes/errors.ErrorDBTransactionNotCommited.html
new file mode 100644
index 00000000..c9b279ba
--- /dev/null
+++ b/docs/classes/errors.ErrorDBTransactionNotCommited.html
@@ -0,0 +1,428 @@
+<!doctype html>
+<html class="default no-js">
+<head>
+	<meta charset="utf-8">
+	<meta http-equiv="X-UA-Compatible" content="IE=edge">
+	<title>ErrorDBTransactionNotCommited | @matrixai/db</title>
+	<meta name="description" content="Documentation for @matrixai/db">
+	<meta name="viewport" content="width=device-width, initial-scale=1">
+	<link rel="stylesheet" href="../assets/css/main.css">
+	<script async src="../assets/js/search.js" id="search-script"></script>
+</head>
+<body>
+<header>
+	<div class="tsd-page-toolbar">
+		<div class="container">
+			<div class="table-wrap">
+				<div class="table-cell" id="tsd-search" data-index="../assets/js/search.json" data-base="..">
+					<div class="field">
+						<label for="tsd-search-field" class="tsd-widget search no-caption">Search</label>
+						<input id="tsd-search-field" type="text" />
+					</div>
+					<ul class="results">
+						<li class="state loading">Preparing search index...</li>
+						<li class="state failure">The search index is not available</li>
+					</ul>
+					<a href="../index.html" class="title">@matrixai/db</a>
+				</div>
+				<div class="table-cell" id="tsd-widgets">
+					<div id="tsd-filter">
+						<a href="#" class="tsd-widget options no-caption" data-toggle="options">Options</a>
+						<div class="tsd-filter-group">
+							<div class="tsd-select" id="tsd-filter-visibility">
+								<span class="tsd-select-label">All</span>
+								<ul class="tsd-select-list">
+									<li data-value="public">Public</li>
+									<li data-value="protected">Public/Protected</li>
+									<li data-value="private" class="selected">All</li>
+								</ul>
+							</div>
+							<input type="checkbox" id="tsd-filter-inherited" checked />
+							<label class="tsd-widget" for="tsd-filter-inherited">Inherited</label>
+							<input type="checkbox" id="tsd-filter-externals" checked />
+							<label class="tsd-widget" for="tsd-filter-externals">Externals</label>
+						</div>
+					</div>
+					<a href="#" class="tsd-widget menu no-caption" data-toggle="menu">Menu</a>
+				</div>
+			</div>
+		</div>
+	</div>
+	<div class="tsd-page-title">
+		<div class="container">
+			<ul class="tsd-breadcrumb">
+				<li>
+					<a href="../modules.html">@matrixai/db</a>
+				</li>
+				<li>
+					<a href="../modules/errors.html">errors</a>
+				</li>
+				<li>
+					<a href="errors.ErrorDBTransactionNotCommited.html">ErrorDBTransactionNotCommited</a>
+				</li>
+			</ul>
+			<h1>Class ErrorDBTransactionNotCommited</h1>
+		</div>
+	</div>
+</header>
+<div class="container container-main">
+	<div class="row">
+		<div class="col-8 col-content">
+			<section class="tsd-panel tsd-hierarchy">
+				<h3>Hierarchy</h3>
+				<ul class="tsd-hierarchy">
+					<li>
+						<a href="errors.ErrorDB.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDB</a>
+						<ul class="tsd-hierarchy">
+							<li>
+								<span class="target">ErrorDBTransactionNotCommited</span>
+							</li>
+						</ul>
+					</li>
+				</ul>
+			</section>
+			<section class="tsd-panel-group tsd-index-group">
+				<h2>Index</h2>
+				<section class="tsd-panel tsd-index-panel">
+					<div class="tsd-index-content">
+						<section class="tsd-index-section tsd-is-inherited">
+							<h3>Constructors</h3>
+							<ul class="tsd-index-list">
+								<li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited"><a href="errors.ErrorDBTransactionNotCommited.html#constructor" class="tsd-kind-icon">constructor</a></li>
+							</ul>
+						</section>
+						<section class="tsd-index-section tsd-is-inherited">
+							<h3>Properties</h3>
+							<ul class="tsd-index-list">
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited"><a href="errors.ErrorDBTransactionNotCommited.html#cause" class="tsd-kind-icon">cause</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited"><a href="errors.ErrorDBTransactionNotCommited.html#data" class="tsd-kind-icon">data</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external"><a href="errors.ErrorDBTransactionNotCommited.html#message" class="tsd-kind-icon">message</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external"><a href="errors.ErrorDBTransactionNotCommited.html#name" class="tsd-kind-icon">name</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external"><a href="errors.ErrorDBTransactionNotCommited.html#stack" class="tsd-kind-icon">stack</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="errors.ErrorDBTransactionNotCommited.html#prepareStackTrace" class="tsd-kind-icon">prepare<wbr>Stack<wbr>Trace</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="errors.ErrorDBTransactionNotCommited.html#stackTraceLimit" class="tsd-kind-icon">stack<wbr>Trace<wbr>Limit</a></li>
+							</ul>
+						</section>
+						<section class="tsd-index-section tsd-is-inherited tsd-is-external">
+							<h3>Methods</h3>
+							<ul class="tsd-index-list">
+								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="errors.ErrorDBTransactionNotCommited.html#captureStackTrace" class="tsd-kind-icon">capture<wbr>Stack<wbr>Trace</a></li>
+							</ul>
+						</section>
+					</div>
+				</section>
+			</section>
+			<section class="tsd-panel-group tsd-member-group tsd-is-inherited">
+				<h2>Constructors</h2>
+				<section class="tsd-panel tsd-member tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited">
+					<a name="constructor" class="tsd-anchor"></a>
+					<h3>constructor</h3>
+					<ul class="tsd-signatures tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited">
+						<li class="tsd-signature tsd-kind-icon">new <wbr>ErrorDBTransaction<wbr>Not<wbr>Commited<span class="tsd-signature-symbol">(</span>message<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">string</span>, data<span class="tsd-signature-symbol">?: </span><a href="../modules/types.html#POJO" class="tsd-signature-type" data-tsd-kind="Type alias">POJO</a>, cause<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">ErrorChain</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="errors.ErrorDBTransactionNotCommited.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDBTransactionNotCommited</a></li>
+					</ul>
+					<ul class="tsd-descriptions">
+						<li class="tsd-description">
+							<aside class="tsd-sources">
+								<p>Inherited from <a href="errors.ErrorDB.html">ErrorDB</a>.<a href="errors.ErrorDB.html#constructor">constructor</a></p>
+								<ul>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/errors.ts#L10">src/errors.ts:10</a></li>
+								</ul>
+							</aside>
+							<h4 class="tsd-parameters-title">Parameters</h4>
+							<ul class="tsd-parameters">
+								<li>
+									<h5>message: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> = &#x27;&#x27;</span></h5>
+								</li>
+								<li>
+									<h5>data: <a href="../modules/types.html#POJO" class="tsd-signature-type" data-tsd-kind="Type alias">POJO</a><span class="tsd-signature-symbol"> = {}</span></h5>
+								</li>
+								<li>
+									<h5><span class="tsd-flag ts-flagOptional">Optional</span> cause: <span class="tsd-signature-type">ErrorChain</span></h5>
+								</li>
+							</ul>
+							<h4 class="tsd-returns-title">Returns <a href="errors.ErrorDBTransactionNotCommited.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDBTransactionNotCommited</a></h4>
+						</li>
+					</ul>
+				</section>
+			</section>
+			<section class="tsd-panel-group tsd-member-group tsd-is-inherited">
+				<h2>Properties</h2>
+				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-inherited">
+					<a name="cause" class="tsd-anchor"></a>
+					<h3><span class="tsd-flag ts-flagOptional">Optional</span> cause</h3>
+					<div class="tsd-signature tsd-kind-icon">cause<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">ErrorChain</span></div>
+					<aside class="tsd-sources">
+						<p>Inherited from <a href="errors.ErrorDB.html">ErrorDB</a>.<a href="errors.ErrorDB.html#cause">cause</a></p>
+						<ul>
+							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/errors.ts#L9">src/errors.ts:9</a></li>
+						</ul>
+					</aside>
+				</section>
+				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-inherited">
+					<a name="data" class="tsd-anchor"></a>
+					<h3>data</h3>
+					<div class="tsd-signature tsd-kind-icon">data<span class="tsd-signature-symbol">:</span> <a href="../modules/types.html#POJO" class="tsd-signature-type" data-tsd-kind="Type alias">POJO</a></div>
+					<aside class="tsd-sources">
+						<p>Inherited from <a href="errors.ErrorDB.html">ErrorDB</a>.<a href="errors.ErrorDB.html#data">data</a></p>
+						<ul>
+							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/errors.ts#L8">src/errors.ts:8</a></li>
+						</ul>
+					</aside>
+				</section>
+				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external">
+					<a name="message" class="tsd-anchor"></a>
+					<h3>message</h3>
+					<div class="tsd-signature tsd-kind-icon">message<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span></div>
+					<aside class="tsd-sources">
+						<p>Inherited from <a href="errors.ErrorDB.html">ErrorDB</a>.<a href="errors.ErrorDB.html#message">message</a></p>
+						<ul>
+							<li>Defined in node_modules/typescript/lib/lib.es5.d.ts:974</li>
+						</ul>
+					</aside>
+				</section>
+				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external">
+					<a name="name" class="tsd-anchor"></a>
+					<h3>name</h3>
+					<div class="tsd-signature tsd-kind-icon">name<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span></div>
+					<aside class="tsd-sources">
+						<p>Inherited from <a href="errors.ErrorDB.html">ErrorDB</a>.<a href="errors.ErrorDB.html#name">name</a></p>
+						<ul>
+							<li>Defined in node_modules/ts-custom-error/dist/custom-error.d.ts:2</li>
+						</ul>
+					</aside>
+				</section>
+				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external">
+					<a name="stack" class="tsd-anchor"></a>
+					<h3><span class="tsd-flag ts-flagOptional">Optional</span> stack</h3>
+					<div class="tsd-signature tsd-kind-icon">stack<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span></div>
+					<aside class="tsd-sources">
+						<p>Inherited from <a href="errors.ErrorDB.html">ErrorDB</a>.<a href="errors.ErrorDB.html#stack">stack</a></p>
+						<ul>
+							<li>Defined in node_modules/typescript/lib/lib.es5.d.ts:975</li>
+						</ul>
+					</aside>
+				</section>
+				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external">
+					<a name="prepareStackTrace" class="tsd-anchor"></a>
+					<h3><span class="tsd-flag ts-flagStatic">Static</span> <span class="tsd-flag ts-flagOptional">Optional</span> prepare<wbr>Stack<wbr>Trace</h3>
+					<div class="tsd-signature tsd-kind-icon">prepare<wbr>Stack<wbr>Trace<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">(</span>err<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Error</span>, stackTraces<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">CallSite</span><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">any</span></div>
+					<aside class="tsd-sources">
+						<p>Inherited from <a href="errors.ErrorDB.html">ErrorDB</a>.<a href="errors.ErrorDB.html#prepareStackTrace">prepareStackTrace</a></p>
+						<ul>
+							<li>Defined in node_modules/@types/node/globals.d.ts:11</li>
+						</ul>
+					</aside>
+					<div class="tsd-type-declaration">
+						<h4>Type declaration</h4>
+						<ul class="tsd-parameters">
+							<li class="tsd-parameter-signature">
+								<ul class="tsd-signatures tsd-kind-type-literal tsd-parent-kind-class">
+									<li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">(</span>err<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Error</span>, stackTraces<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">CallSite</span><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">any</span></li>
+								</ul>
+								<ul class="tsd-descriptions">
+									<li class="tsd-description">
+										<div class="tsd-comment tsd-typography">
+											<div class="lead">
+												<p>Optional override for formatting stack traces</p>
+											</div>
+										</div>
+										<h4 class="tsd-parameters-title">Parameters</h4>
+										<ul class="tsd-parameters">
+											<li>
+												<h5>err: <span class="tsd-signature-type">Error</span></h5>
+											</li>
+											<li>
+												<h5>stackTraces: <span class="tsd-signature-type">CallSite</span><span class="tsd-signature-symbol">[]</span></h5>
+											</li>
+										</ul>
+										<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">any</span></h4>
+									</li>
+								</ul>
+							</li>
+						</ul>
+					</div>
+				</section>
+				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external">
+					<a name="stackTraceLimit" class="tsd-anchor"></a>
+					<h3><span class="tsd-flag ts-flagStatic">Static</span> stack<wbr>Trace<wbr>Limit</h3>
+					<div class="tsd-signature tsd-kind-icon">stack<wbr>Trace<wbr>Limit<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">number</span></div>
+					<aside class="tsd-sources">
+						<p>Inherited from <a href="errors.ErrorDB.html">ErrorDB</a>.<a href="errors.ErrorDB.html#stackTraceLimit">stackTraceLimit</a></p>
+						<ul>
+							<li>Defined in node_modules/@types/node/globals.d.ts:13</li>
+						</ul>
+					</aside>
+				</section>
+			</section>
+			<section class="tsd-panel-group tsd-member-group tsd-is-inherited tsd-is-external">
+				<h2>Methods</h2>
+				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external">
+					<a name="captureStackTrace" class="tsd-anchor"></a>
+					<h3><span class="tsd-flag ts-flagStatic">Static</span> capture<wbr>Stack<wbr>Trace</h3>
+					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external">
+						<li class="tsd-signature tsd-kind-icon">capture<wbr>Stack<wbr>Trace<span class="tsd-signature-symbol">(</span>targetObject<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">object</span>, constructorOpt<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">Function</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
+					</ul>
+					<ul class="tsd-descriptions">
+						<li class="tsd-description">
+							<aside class="tsd-sources">
+								<p>Inherited from <a href="errors.ErrorDB.html">ErrorDB</a>.<a href="errors.ErrorDB.html#captureStackTrace">captureStackTrace</a></p>
+								<ul>
+									<li>Defined in node_modules/@types/node/globals.d.ts:4</li>
+								</ul>
+							</aside>
+							<div class="tsd-comment tsd-typography">
+								<div class="lead">
+									<p>Create .stack property on a target object</p>
+								</div>
+							</div>
+							<h4 class="tsd-parameters-title">Parameters</h4>
+							<ul class="tsd-parameters">
+								<li>
+									<h5>targetObject: <span class="tsd-signature-type">object</span></h5>
+								</li>
+								<li>
+									<h5><span class="tsd-flag ts-flagOptional">Optional</span> constructorOpt: <span class="tsd-signature-type">Function</span></h5>
+								</li>
+							</ul>
+							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4>
+						</li>
+					</ul>
+				</section>
+			</section>
+		</div>
+		<div class="col-4 col-menu menu-sticky-wrap menu-highlight">
+			<nav class="tsd-navigation primary">
+				<ul>
+					<li class=" ">
+						<a href="../modules.html">Modules</a>
+					</li>
+					<li class=" tsd-kind-module">
+						<a href="../modules/DB.html">DB</a>
+					</li>
+					<li class=" tsd-kind-module">
+						<a href="../modules/DBTransaction.html">DBTransaction</a>
+					</li>
+					<li class="current tsd-kind-module">
+						<a href="../modules/errors.html">errors</a>
+					</li>
+					<li class=" tsd-kind-module">
+						<a href="../modules/index.html">index</a>
+					</li>
+					<li class=" tsd-kind-module">
+						<a href="../modules/types.html">types</a>
+					</li>
+					<li class=" tsd-kind-module">
+						<a href="../modules/utils.html">utils</a>
+					</li>
+				</ul>
+			</nav>
+			<nav class="tsd-navigation secondary menu-sticky">
+				<ul class="before-current">
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDB.html" class="tsd-kind-icon">ErrorDB</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBCreate.html" class="tsd-kind-icon">ErrorDBCreate</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBDecrypt.html" class="tsd-kind-icon">ErrorDBDecrypt</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBDelete.html" class="tsd-kind-icon">ErrorDBDelete</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBDestroyed.html" class="tsd-kind-icon">ErrorDBDestroyed</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBLevelPrefix.html" class="tsd-kind-icon">ErrorDBLevel<wbr>Prefix</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBNotRunning.html" class="tsd-kind-icon">ErrorDBNot<wbr>Running</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBParse.html" class="tsd-kind-icon">ErrorDBParse</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionCommitted.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Committed</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionDestroyed.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Destroyed</a>
+					</li>
+				</ul>
+				<ul class="current">
+					<li class="current tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionNotCommited.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Not<wbr>Commited</a>
+						<ul>
+							<li class=" tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited">
+								<a href="errors.ErrorDBTransactionNotCommited.html#constructor" class="tsd-kind-icon">constructor</a>
+							</li>
+							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited">
+								<a href="errors.ErrorDBTransactionNotCommited.html#cause" class="tsd-kind-icon">cause</a>
+							</li>
+							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited">
+								<a href="errors.ErrorDBTransactionNotCommited.html#data" class="tsd-kind-icon">data</a>
+							</li>
+							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external">
+								<a href="errors.ErrorDBTransactionNotCommited.html#message" class="tsd-kind-icon">message</a>
+							</li>
+							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external">
+								<a href="errors.ErrorDBTransactionNotCommited.html#name" class="tsd-kind-icon">name</a>
+							</li>
+							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external">
+								<a href="errors.ErrorDBTransactionNotCommited.html#stack" class="tsd-kind-icon">stack</a>
+							</li>
+							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external">
+								<a href="errors.ErrorDBTransactionNotCommited.html#prepareStackTrace" class="tsd-kind-icon">prepare<wbr>Stack<wbr>Trace</a>
+							</li>
+							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external">
+								<a href="errors.ErrorDBTransactionNotCommited.html#stackTraceLimit" class="tsd-kind-icon">stack<wbr>Trace<wbr>Limit</a>
+							</li>
+							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external">
+								<a href="errors.ErrorDBTransactionNotCommited.html#captureStackTrace" class="tsd-kind-icon">capture<wbr>Stack<wbr>Trace</a>
+							</li>
+						</ul>
+					</li>
+				</ul>
+				<ul class="after-current">
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionRollbacked.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Rollbacked</a>
+					</li>
+				</ul>
+			</nav>
+		</div>
+	</div>
+</div>
+<footer class="with-border-bottom">
+	<div class="container">
+		<h2>Legend</h2>
+		<div class="tsd-legend-group">
+			<ul class="tsd-legend">
+				<li class="tsd-kind-variable"><span class="tsd-kind-icon">Variable</span></li>
+				<li class="tsd-kind-function"><span class="tsd-kind-icon">Function</span></li>
+				<li class="tsd-kind-function tsd-has-type-parameter"><span class="tsd-kind-icon">Function with type parameter</span></li>
+				<li class="tsd-kind-type-alias"><span class="tsd-kind-icon">Type alias</span></li>
+				<li class="tsd-kind-type-alias tsd-has-type-parameter"><span class="tsd-kind-icon">Type alias with type parameter</span></li>
+			</ul>
+			<ul class="tsd-legend">
+				<li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited constructor</span></li>
+				<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited property</span></li>
+			</ul>
+			<ul class="tsd-legend">
+				<li class="tsd-kind-interface"><span class="tsd-kind-icon">Interface</span></li>
+			</ul>
+			<ul class="tsd-legend">
+				<li class="tsd-kind-class"><span class="tsd-kind-icon">Class</span></li>
+			</ul>
+		</div>
+	</div>
+</footer>
+<div class="container tsd-generator">
+	<p>Generated using <a href="https://typedoc.org/" target="_blank">TypeDoc</a></p>
+</div>
+<div class="overlay"></div>
+<script src="../assets/js/main.js"></script>
+</body>
+</html>
\ No newline at end of file
diff --git a/docs/classes/errors.ErrorDBRollbacked.html b/docs/classes/errors.ErrorDBTransactionRollbacked.html
similarity index 83%
rename from docs/classes/errors.ErrorDBRollbacked.html
rename to docs/classes/errors.ErrorDBTransactionRollbacked.html
index c4954fbe..95bd53e2 100644
--- a/docs/classes/errors.ErrorDBRollbacked.html
+++ b/docs/classes/errors.ErrorDBTransactionRollbacked.html
@@ -3,7 +3,7 @@
 <head>
 	<meta charset="utf-8">
 	<meta http-equiv="X-UA-Compatible" content="IE=edge">
-	<title>ErrorDBRollbacked | @matrixai/db</title>
+	<title>ErrorDBTransactionRollbacked | @matrixai/db</title>
 	<meta name="description" content="Documentation for @matrixai/db">
 	<meta name="viewport" content="width=device-width, initial-scale=1">
 	<link rel="stylesheet" href="../assets/css/main.css">
@@ -58,10 +58,10 @@
 					<a href="../modules/errors.html">errors</a>
 				</li>
 				<li>
-					<a href="errors.ErrorDBRollbacked.html">ErrorDBRollbacked</a>
+					<a href="errors.ErrorDBTransactionRollbacked.html">ErrorDBTransactionRollbacked</a>
 				</li>
 			</ul>
-			<h1>Class ErrorDBRollbacked</h1>
+			<h1>Class ErrorDBTransactionRollbacked</h1>
 		</div>
 	</div>
 </header>
@@ -75,7 +75,7 @@ <h3>Hierarchy</h3>
 						<a href="errors.ErrorDB.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDB</a>
 						<ul class="tsd-hierarchy">
 							<li>
-								<span class="target">ErrorDBRollbacked</span>
+								<span class="target">ErrorDBTransactionRollbacked</span>
 							</li>
 						</ul>
 					</li>
@@ -88,25 +88,25 @@ <h2>Index</h2>
 						<section class="tsd-index-section tsd-is-inherited">
 							<h3>Constructors</h3>
 							<ul class="tsd-index-list">
-								<li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited"><a href="errors.ErrorDBRollbacked.html#constructor" class="tsd-kind-icon">constructor</a></li>
+								<li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited"><a href="errors.ErrorDBTransactionRollbacked.html#constructor" class="tsd-kind-icon">constructor</a></li>
 							</ul>
 						</section>
 						<section class="tsd-index-section tsd-is-inherited">
 							<h3>Properties</h3>
 							<ul class="tsd-index-list">
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited"><a href="errors.ErrorDBRollbacked.html#cause" class="tsd-kind-icon">cause</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited"><a href="errors.ErrorDBRollbacked.html#data" class="tsd-kind-icon">data</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external"><a href="errors.ErrorDBRollbacked.html#message" class="tsd-kind-icon">message</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external"><a href="errors.ErrorDBRollbacked.html#name" class="tsd-kind-icon">name</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external"><a href="errors.ErrorDBRollbacked.html#stack" class="tsd-kind-icon">stack</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="errors.ErrorDBRollbacked.html#prepareStackTrace" class="tsd-kind-icon">prepare<wbr>Stack<wbr>Trace</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="errors.ErrorDBRollbacked.html#stackTraceLimit" class="tsd-kind-icon">stack<wbr>Trace<wbr>Limit</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited"><a href="errors.ErrorDBTransactionRollbacked.html#cause" class="tsd-kind-icon">cause</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited"><a href="errors.ErrorDBTransactionRollbacked.html#data" class="tsd-kind-icon">data</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external"><a href="errors.ErrorDBTransactionRollbacked.html#message" class="tsd-kind-icon">message</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external"><a href="errors.ErrorDBTransactionRollbacked.html#name" class="tsd-kind-icon">name</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external"><a href="errors.ErrorDBTransactionRollbacked.html#stack" class="tsd-kind-icon">stack</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="errors.ErrorDBTransactionRollbacked.html#prepareStackTrace" class="tsd-kind-icon">prepare<wbr>Stack<wbr>Trace</a></li>
+								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="errors.ErrorDBTransactionRollbacked.html#stackTraceLimit" class="tsd-kind-icon">stack<wbr>Trace<wbr>Limit</a></li>
 							</ul>
 						</section>
 						<section class="tsd-index-section tsd-is-inherited tsd-is-external">
 							<h3>Methods</h3>
 							<ul class="tsd-index-list">
-								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="errors.ErrorDBRollbacked.html#captureStackTrace" class="tsd-kind-icon">capture<wbr>Stack<wbr>Trace</a></li>
+								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external"><a href="errors.ErrorDBTransactionRollbacked.html#captureStackTrace" class="tsd-kind-icon">capture<wbr>Stack<wbr>Trace</a></li>
 							</ul>
 						</section>
 					</div>
@@ -118,7 +118,7 @@ <h2>Constructors</h2>
 					<a name="constructor" class="tsd-anchor"></a>
 					<h3>constructor</h3>
 					<ul class="tsd-signatures tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited">
-						<li class="tsd-signature tsd-kind-icon">new <wbr>ErrorDBRollbacked<span class="tsd-signature-symbol">(</span>message<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">string</span>, data<span class="tsd-signature-symbol">?: </span><a href="../modules/types.html#POJO" class="tsd-signature-type" data-tsd-kind="Type alias">POJO</a>, cause<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">ErrorChain</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="errors.ErrorDBRollbacked.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDBRollbacked</a></li>
+						<li class="tsd-signature tsd-kind-icon">new <wbr>ErrorDBTransaction<wbr>Rollbacked<span class="tsd-signature-symbol">(</span>message<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">string</span>, data<span class="tsd-signature-symbol">?: </span><a href="../modules/types.html#POJO" class="tsd-signature-type" data-tsd-kind="Type alias">POJO</a>, cause<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">ErrorChain</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="errors.ErrorDBTransactionRollbacked.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDBTransactionRollbacked</a></li>
 					</ul>
 					<ul class="tsd-descriptions">
 						<li class="tsd-description">
@@ -140,7 +140,7 @@ <h5>data: <a href="../modules/types.html#POJO" class="tsd-signature-type" data-t
 									<h5><span class="tsd-flag ts-flagOptional">Optional</span> cause: <span class="tsd-signature-type">ErrorChain</span></h5>
 								</li>
 							</ul>
-							<h4 class="tsd-returns-title">Returns <a href="errors.ErrorDBRollbacked.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDBRollbacked</a></h4>
+							<h4 class="tsd-returns-title">Returns <a href="errors.ErrorDBTransactionRollbacked.html" class="tsd-signature-type" data-tsd-kind="Class">ErrorDBTransactionRollbacked</a></h4>
 						</li>
 					</ul>
 				</section>
@@ -300,7 +300,7 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 						<a href="../modules/DB.html">DB</a>
 					</li>
 					<li class=" tsd-kind-module">
-						<a href="../modules/Transaction.html">Transaction</a>
+						<a href="../modules/DBTransaction.html">DBTransaction</a>
 					</li>
 					<li class="current tsd-kind-module">
 						<a href="../modules/errors.html">errors</a>
@@ -321,9 +321,6 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDB.html" class="tsd-kind-icon">ErrorDB</a>
 					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBCommitted.html" class="tsd-kind-icon">ErrorDBCommitted</a>
-					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBCreate.html" class="tsd-kind-icon">ErrorDBCreate</a>
 					</li>
@@ -339,54 +336,60 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</spa
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBLevelPrefix.html" class="tsd-kind-icon">ErrorDBLevel<wbr>Prefix</a>
 					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBNotCommited.html" class="tsd-kind-icon">ErrorDBNot<wbr>Commited</a>
-					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBNotRunning.html" class="tsd-kind-icon">ErrorDBNot<wbr>Running</a>
 					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="errors.ErrorDBParse.html" class="tsd-kind-icon">ErrorDBParse</a>
 					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionCommitted.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Committed</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionDestroyed.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Destroyed</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="errors.ErrorDBTransactionNotCommited.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Not<wbr>Commited</a>
+					</li>
 				</ul>
 				<ul class="current">
 					<li class="current tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBRollbacked.html" class="tsd-kind-icon">ErrorDBRollbacked</a>
+						<a href="errors.ErrorDBTransactionRollbacked.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Rollbacked</a>
 						<ul>
 							<li class=" tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited">
-								<a href="errors.ErrorDBRollbacked.html#constructor" class="tsd-kind-icon">constructor</a>
+								<a href="errors.ErrorDBTransactionRollbacked.html#constructor" class="tsd-kind-icon">constructor</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited">
-								<a href="errors.ErrorDBRollbacked.html#cause" class="tsd-kind-icon">cause</a>
+								<a href="errors.ErrorDBTransactionRollbacked.html#cause" class="tsd-kind-icon">cause</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited">
-								<a href="errors.ErrorDBRollbacked.html#data" class="tsd-kind-icon">data</a>
+								<a href="errors.ErrorDBTransactionRollbacked.html#data" class="tsd-kind-icon">data</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external">
-								<a href="errors.ErrorDBRollbacked.html#message" class="tsd-kind-icon">message</a>
+								<a href="errors.ErrorDBTransactionRollbacked.html#message" class="tsd-kind-icon">message</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external">
-								<a href="errors.ErrorDBRollbacked.html#name" class="tsd-kind-icon">name</a>
+								<a href="errors.ErrorDBTransactionRollbacked.html#name" class="tsd-kind-icon">name</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external">
-								<a href="errors.ErrorDBRollbacked.html#stack" class="tsd-kind-icon">stack</a>
+								<a href="errors.ErrorDBTransactionRollbacked.html#stack" class="tsd-kind-icon">stack</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external">
-								<a href="errors.ErrorDBRollbacked.html#prepareStackTrace" class="tsd-kind-icon">prepare<wbr>Stack<wbr>Trace</a>
+								<a href="errors.ErrorDBTransactionRollbacked.html#prepareStackTrace" class="tsd-kind-icon">prepare<wbr>Stack<wbr>Trace</a>
 							</li>
 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external">
-								<a href="errors.ErrorDBRollbacked.html#stackTraceLimit" class="tsd-kind-icon">stack<wbr>Trace<wbr>Limit</a>
+								<a href="errors.ErrorDBTransactionRollbacked.html#stackTraceLimit" class="tsd-kind-icon">stack<wbr>Trace<wbr>Limit</a>
 							</li>
 							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-inherited tsd-is-static tsd-is-external">
-								<a href="errors.ErrorDBRollbacked.html#captureStackTrace" class="tsd-kind-icon">capture<wbr>Stack<wbr>Trace</a>
+								<a href="errors.ErrorDBTransactionRollbacked.html#captureStackTrace" class="tsd-kind-icon">capture<wbr>Stack<wbr>Trace</a>
 							</li>
 						</ul>
 					</li>
 				</ul>
 				<ul class="after-current">
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a>
-					</li>
 				</ul>
 			</nav>
 		</div>
@@ -401,6 +404,7 @@ <h2>Legend</h2>
 				<li class="tsd-kind-function"><span class="tsd-kind-icon">Function</span></li>
 				<li class="tsd-kind-function tsd-has-type-parameter"><span class="tsd-kind-icon">Function with type parameter</span></li>
 				<li class="tsd-kind-type-alias"><span class="tsd-kind-icon">Type alias</span></li>
+				<li class="tsd-kind-type-alias tsd-has-type-parameter"><span class="tsd-kind-icon">Type alias with type parameter</span></li>
 			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited constructor</span></li>
diff --git a/docs/index.html b/docs/index.html
index 8bf7ea5b..35f97d7c 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -119,7 +119,7 @@ <h3>Publishing</h3>
 						<a href="modules/DB.html">DB</a>
 					</li>
 					<li class=" tsd-kind-module">
-						<a href="modules/Transaction.html">Transaction</a>
+						<a href="modules/DBTransaction.html">DBTransaction</a>
 					</li>
 					<li class=" tsd-kind-module">
 						<a href="modules/errors.html">errors</a>
@@ -151,6 +151,7 @@ <h2>Legend</h2>
 				<li class="tsd-kind-function"><span class="tsd-kind-icon">Function</span></li>
 				<li class="tsd-kind-function tsd-has-type-parameter"><span class="tsd-kind-icon">Function with type parameter</span></li>
 				<li class="tsd-kind-type-alias"><span class="tsd-kind-icon">Type alias</span></li>
+				<li class="tsd-kind-type-alias tsd-has-type-parameter"><span class="tsd-kind-icon">Type alias with type parameter</span></li>
 			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-interface"><span class="tsd-kind-icon">Interface</span></li>
diff --git a/docs/interfaces/types.DBTransaction.html b/docs/interfaces/types.DBTransaction.html
deleted file mode 100644
index ca328bb3..00000000
--- a/docs/interfaces/types.DBTransaction.html
+++ /dev/null
@@ -1,500 +0,0 @@
-<!doctype html>
-<html class="default no-js">
-<head>
-	<meta charset="utf-8">
-	<meta http-equiv="X-UA-Compatible" content="IE=edge">
-	<title>DBTransaction | @matrixai/db</title>
-	<meta name="description" content="Documentation for @matrixai/db">
-	<meta name="viewport" content="width=device-width, initial-scale=1">
-	<link rel="stylesheet" href="../assets/css/main.css">
-	<script async src="../assets/js/search.js" id="search-script"></script>
-</head>
-<body>
-<header>
-	<div class="tsd-page-toolbar">
-		<div class="container">
-			<div class="table-wrap">
-				<div class="table-cell" id="tsd-search" data-index="../assets/js/search.json" data-base="..">
-					<div class="field">
-						<label for="tsd-search-field" class="tsd-widget search no-caption">Search</label>
-						<input id="tsd-search-field" type="text" />
-					</div>
-					<ul class="results">
-						<li class="state loading">Preparing search index...</li>
-						<li class="state failure">The search index is not available</li>
-					</ul>
-					<a href="../index.html" class="title">@matrixai/db</a>
-				</div>
-				<div class="table-cell" id="tsd-widgets">
-					<div id="tsd-filter">
-						<a href="#" class="tsd-widget options no-caption" data-toggle="options">Options</a>
-						<div class="tsd-filter-group">
-							<div class="tsd-select" id="tsd-filter-visibility">
-								<span class="tsd-select-label">All</span>
-								<ul class="tsd-select-list">
-									<li data-value="public">Public</li>
-									<li data-value="protected">Public/Protected</li>
-									<li data-value="private" class="selected">All</li>
-								</ul>
-							</div>
-							<input type="checkbox" id="tsd-filter-inherited" checked />
-							<label class="tsd-widget" for="tsd-filter-inherited">Inherited</label>
-							<input type="checkbox" id="tsd-filter-externals" checked />
-							<label class="tsd-widget" for="tsd-filter-externals">Externals</label>
-						</div>
-					</div>
-					<a href="#" class="tsd-widget menu no-caption" data-toggle="menu">Menu</a>
-				</div>
-			</div>
-		</div>
-	</div>
-	<div class="tsd-page-title">
-		<div class="container">
-			<ul class="tsd-breadcrumb">
-				<li>
-					<a href="../modules.html">@matrixai/db</a>
-				</li>
-				<li>
-					<a href="../modules/types.html">types</a>
-				</li>
-				<li>
-					<a href="types.DBTransaction.html">DBTransaction</a>
-				</li>
-			</ul>
-			<h1>Interface DBTransaction</h1>
-		</div>
-	</div>
-</header>
-<div class="container container-main">
-	<div class="row">
-		<div class="col-8 col-content">
-			<section class="tsd-panel tsd-hierarchy">
-				<h3>Hierarchy</h3>
-				<ul class="tsd-hierarchy">
-					<li>
-						<span class="target">DBTransaction</span>
-					</li>
-				</ul>
-			</section>
-			<section class="tsd-panel">
-				<h3>Implemented by</h3>
-				<ul class="tsd-hierarchy">
-					<li><a href="../classes/Transaction.default.html" class="tsd-signature-type" data-tsd-kind="Class">default</a></li>
-				</ul>
-			</section>
-			<section class="tsd-panel-group tsd-index-group">
-				<h2>Index</h2>
-				<section class="tsd-panel tsd-index-panel">
-					<div class="tsd-index-content">
-						<section class="tsd-index-section ">
-							<h3>Properties</h3>
-							<ul class="tsd-index-list">
-								<li class="tsd-kind-property tsd-parent-kind-interface"><a href="types.DBTransaction.html#callbacksFailure" class="tsd-kind-icon">callbacks<wbr>Failure</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-interface"><a href="types.DBTransaction.html#callbacksSuccess" class="tsd-kind-icon">callbacks<wbr>Success</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-interface"><a href="types.DBTransaction.html#committed" class="tsd-kind-icon">committed</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-interface"><a href="types.DBTransaction.html#ops" class="tsd-kind-icon">ops</a></li>
-								<li class="tsd-kind-property tsd-parent-kind-interface"><a href="types.DBTransaction.html#snap" class="tsd-kind-icon">snap</a></li>
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-						<section class="tsd-index-section ">
-							<h3>Methods</h3>
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-								<li class="tsd-kind-method tsd-parent-kind-interface"><a href="types.DBTransaction.html#del" class="tsd-kind-icon">del</a></li>
-								<li class="tsd-kind-method tsd-parent-kind-interface tsd-has-type-parameter"><a href="types.DBTransaction.html#get" class="tsd-kind-icon">get</a></li>
-								<li class="tsd-kind-method tsd-parent-kind-interface"><a href="types.DBTransaction.html#put" class="tsd-kind-icon">put</a></li>
-								<li class="tsd-kind-method tsd-parent-kind-interface"><a href="types.DBTransaction.html#queueFailure" class="tsd-kind-icon">queue<wbr>Failure</a></li>
-								<li class="tsd-kind-method tsd-parent-kind-interface"><a href="types.DBTransaction.html#queueSuccess" class="tsd-kind-icon">queue<wbr>Success</a></li>
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-			<section class="tsd-panel-group tsd-member-group ">
-				<h2>Properties</h2>
-				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-interface">
-					<a name="callbacksFailure" class="tsd-anchor"></a>
-					<h3>callbacks<wbr>Failure</h3>
-					<div class="tsd-signature tsd-kind-icon">callbacks<wbr>Failure<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">readonly </span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">[]</span></div>
-					<aside class="tsd-sources">
-						<ul>
-							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/types.ts#L67">src/types.ts:67</a></li>
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-				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-interface">
-					<a name="callbacksSuccess" class="tsd-anchor"></a>
-					<h3>callbacks<wbr>Success</h3>
-					<div class="tsd-signature tsd-kind-icon">callbacks<wbr>Success<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">readonly </span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">[]</span></div>
-					<aside class="tsd-sources">
-						<ul>
-							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/types.ts#L66">src/types.ts:66</a></li>
-						</ul>
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-				</section>
-				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-interface">
-					<a name="committed" class="tsd-anchor"></a>
-					<h3>committed</h3>
-					<div class="tsd-signature tsd-kind-icon">committed<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">boolean</span></div>
-					<aside class="tsd-sources">
-						<ul>
-							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/types.ts#L68">src/types.ts:68</a></li>
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-				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-interface">
-					<a name="ops" class="tsd-anchor"></a>
-					<h3>ops</h3>
-					<div class="tsd-signature tsd-kind-icon">ops<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">readonly </span><a href="../modules/types.html#DBOp" class="tsd-signature-type" data-tsd-kind="Type alias">DBOp</a><span class="tsd-signature-symbol">[]</span></div>
-					<aside class="tsd-sources">
-						<ul>
-							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/types.ts#L64">src/types.ts:64</a></li>
-						</ul>
-					</aside>
-				</section>
-				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-interface">
-					<a name="snap" class="tsd-anchor"></a>
-					<h3>snap</h3>
-					<div class="tsd-signature tsd-kind-icon">snap<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">ReadonlyMap</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">&gt;</span></div>
-					<aside class="tsd-sources">
-						<ul>
-							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/types.ts#L65">src/types.ts:65</a></li>
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-			<section class="tsd-panel-group tsd-member-group ">
-				<h2>Methods</h2>
-				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-interface">
-					<a name="del" class="tsd-anchor"></a>
-					<h3>del</h3>
-					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-interface">
-						<li class="tsd-signature tsd-kind-icon">del<span class="tsd-signature-symbol">(</span>domain<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">readonly </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">[]</span>, key<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></li>
-					</ul>
-					<ul class="tsd-descriptions">
-						<li class="tsd-description">
-							<aside class="tsd-sources">
-								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/types.ts#L94">src/types.ts:94</a></li>
-								</ul>
-							</aside>
-							<h4 class="tsd-parameters-title">Parameters</h4>
-							<ul class="tsd-parameters">
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-									<h5>domain: <span class="tsd-signature-symbol">readonly </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">[]</span></h5>
-								</li>
-								<li>
-									<h5>key: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Buffer</span></h5>
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-							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></h4>
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-				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-interface tsd-has-type-parameter">
-					<a name="get" class="tsd-anchor"></a>
-					<h3>get</h3>
-					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-interface tsd-has-type-parameter">
-						<li class="tsd-signature tsd-kind-icon">get&lt;T&gt;<span class="tsd-signature-symbol">(</span>domain<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">readonly </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">[]</span>, key<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Buffer</span>, raw<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">false</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">&gt;</span></li>
-						<li class="tsd-signature tsd-kind-icon">get<span class="tsd-signature-symbol">(</span>domain<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">readonly </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">[]</span>, key<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Buffer</span>, raw<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">true</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">&gt;</span></li>
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-							<aside class="tsd-sources">
-								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/types.ts#L70">src/types.ts:70</a></li>
-								</ul>
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-							<h4 class="tsd-type-parameters-title">Type parameters</h4>
-							<ul class="tsd-type-parameters">
-								<li>
-									<h4>T</h4>
-								</li>
-							</ul>
-							<h4 class="tsd-parameters-title">Parameters</h4>
-							<ul class="tsd-parameters">
-								<li>
-									<h5>domain: <span class="tsd-signature-symbol">readonly </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">[]</span></h5>
-								</li>
-								<li>
-									<h5>key: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Buffer</span></h5>
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-									<h5><span class="tsd-flag ts-flagOptional">Optional</span> raw: <span class="tsd-signature-type">false</span></h5>
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-							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">&gt;</span></h4>
-						</li>
-						<li class="tsd-description">
-							<aside class="tsd-sources">
-								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/types.ts#L75">src/types.ts:75</a></li>
-								</ul>
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-							<h4 class="tsd-parameters-title">Parameters</h4>
-							<ul class="tsd-parameters">
-								<li>
-									<h5>domain: <span class="tsd-signature-symbol">readonly </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">[]</span></h5>
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-									<h5>key: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Buffer</span></h5>
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-									<h5>raw: <span class="tsd-signature-type">true</span></h5>
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-							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">&gt;</span></h4>
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-					<a name="put" class="tsd-anchor"></a>
-					<h3>put</h3>
-					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-interface">
-						<li class="tsd-signature tsd-kind-icon">put<span class="tsd-signature-symbol">(</span>domain<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">readonly </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">[]</span>, key<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Buffer</span>, value<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">any</span>, raw<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">false</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></li>
-						<li class="tsd-signature tsd-kind-icon">put<span class="tsd-signature-symbol">(</span>domain<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">readonly </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">[]</span>, key<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Buffer</span>, value<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Buffer</span>, raw<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">true</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></li>
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-					<ul class="tsd-descriptions">
-						<li class="tsd-description">
-							<aside class="tsd-sources">
-								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/types.ts#L81">src/types.ts:81</a></li>
-								</ul>
-							</aside>
-							<h4 class="tsd-parameters-title">Parameters</h4>
-							<ul class="tsd-parameters">
-								<li>
-									<h5>domain: <span class="tsd-signature-symbol">readonly </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">[]</span></h5>
-								</li>
-								<li>
-									<h5>key: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Buffer</span></h5>
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-							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></h4>
-						</li>
-						<li class="tsd-description">
-							<aside class="tsd-sources">
-								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/types.ts#L87">src/types.ts:87</a></li>
-								</ul>
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-							<h4 class="tsd-parameters-title">Parameters</h4>
-							<ul class="tsd-parameters">
-								<li>
-									<h5>domain: <span class="tsd-signature-symbol">readonly </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">[]</span></h5>
-								</li>
-								<li>
-									<h5>key: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Buffer</span></h5>
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-									<h5>value: <span class="tsd-signature-type">Buffer</span></h5>
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-									<h5>raw: <span class="tsd-signature-type">true</span></h5>
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-							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></h4>
-						</li>
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-				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-interface">
-					<a name="queueFailure" class="tsd-anchor"></a>
-					<h3>queue<wbr>Failure</h3>
-					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-interface">
-						<li class="tsd-signature tsd-kind-icon">queue<wbr>Failure<span class="tsd-signature-symbol">(</span>f<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
-					</ul>
-					<ul class="tsd-descriptions">
-						<li class="tsd-description">
-							<aside class="tsd-sources">
-								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/types.ts#L98">src/types.ts:98</a></li>
-								</ul>
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-							<h4 class="tsd-parameters-title">Parameters</h4>
-							<ul class="tsd-parameters">
-								<li>
-									<h5>f: <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">any</span></h5>
-									<ul class="tsd-parameters">
-										<li class="tsd-parameter-signature">
-											<ul class="tsd-signatures tsd-kind-type-literal">
-												<li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">any</span></li>
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-											<ul class="tsd-descriptions">
-												<li class="tsd-description">
-													<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">any</span></h4>
-												</li>
-											</ul>
-										</li>
-									</ul>
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-							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4>
-						</li>
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-				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-interface">
-					<a name="queueSuccess" class="tsd-anchor"></a>
-					<h3>queue<wbr>Success</h3>
-					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-interface">
-						<li class="tsd-signature tsd-kind-icon">queue<wbr>Success<span class="tsd-signature-symbol">(</span>f<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
-					</ul>
-					<ul class="tsd-descriptions">
-						<li class="tsd-description">
-							<aside class="tsd-sources">
-								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/types.ts#L96">src/types.ts:96</a></li>
-								</ul>
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-							<h4 class="tsd-parameters-title">Parameters</h4>
-							<ul class="tsd-parameters">
-								<li>
-									<h5>f: <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">any</span></h5>
-									<ul class="tsd-parameters">
-										<li class="tsd-parameter-signature">
-											<ul class="tsd-signatures tsd-kind-type-literal">
-												<li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">any</span></li>
-											</ul>
-											<ul class="tsd-descriptions">
-												<li class="tsd-description">
-													<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">any</span></h4>
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-											</ul>
-										</li>
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-							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4>
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-		</div>
-		<div class="col-4 col-menu menu-sticky-wrap menu-highlight">
-			<nav class="tsd-navigation primary">
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-					<li class=" ">
-						<a href="../modules.html">Modules</a>
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-					<li class=" tsd-kind-module">
-						<a href="../modules/DB.html">DB</a>
-					</li>
-					<li class=" tsd-kind-module">
-						<a href="../modules/Transaction.html">Transaction</a>
-					</li>
-					<li class=" tsd-kind-module">
-						<a href="../modules/errors.html">errors</a>
-					</li>
-					<li class=" tsd-kind-module">
-						<a href="../modules/index.html">index</a>
-					</li>
-					<li class="current tsd-kind-module">
-						<a href="../modules/types.html">types</a>
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-			<nav class="tsd-navigation secondary menu-sticky">
-				<ul class="before-current">
-				</ul>
-				<ul class="current">
-					<li class="current tsd-kind-interface tsd-parent-kind-module">
-						<a href="types.DBTransaction.html" class="tsd-kind-icon">DBTransaction</a>
-						<ul>
-							<li class=" tsd-kind-property tsd-parent-kind-interface">
-								<a href="types.DBTransaction.html#callbacksFailure" class="tsd-kind-icon">callbacks<wbr>Failure</a>
-							</li>
-							<li class=" tsd-kind-property tsd-parent-kind-interface">
-								<a href="types.DBTransaction.html#callbacksSuccess" class="tsd-kind-icon">callbacks<wbr>Success</a>
-							</li>
-							<li class=" tsd-kind-property tsd-parent-kind-interface">
-								<a href="types.DBTransaction.html#committed" class="tsd-kind-icon">committed</a>
-							</li>
-							<li class=" tsd-kind-property tsd-parent-kind-interface">
-								<a href="types.DBTransaction.html#ops" class="tsd-kind-icon">ops</a>
-							</li>
-							<li class=" tsd-kind-property tsd-parent-kind-interface">
-								<a href="types.DBTransaction.html#snap" class="tsd-kind-icon">snap</a>
-							</li>
-							<li class=" tsd-kind-method tsd-parent-kind-interface">
-								<a href="types.DBTransaction.html#del" class="tsd-kind-icon">del</a>
-							</li>
-							<li class=" tsd-kind-method tsd-parent-kind-interface tsd-has-type-parameter">
-								<a href="types.DBTransaction.html#get" class="tsd-kind-icon">get</a>
-							</li>
-							<li class=" tsd-kind-method tsd-parent-kind-interface">
-								<a href="types.DBTransaction.html#put" class="tsd-kind-icon">put</a>
-							</li>
-							<li class=" tsd-kind-method tsd-parent-kind-interface">
-								<a href="types.DBTransaction.html#queueFailure" class="tsd-kind-icon">queue<wbr>Failure</a>
-							</li>
-							<li class=" tsd-kind-method tsd-parent-kind-interface">
-								<a href="types.DBTransaction.html#queueSuccess" class="tsd-kind-icon">queue<wbr>Success</a>
-							</li>
-						</ul>
-					</li>
-				</ul>
-				<ul class="after-current">
-					<li class=" tsd-kind-interface tsd-parent-kind-module">
-						<a href="types.FileSystem.html" class="tsd-kind-icon">File<wbr>System</a>
-					</li>
-					<li class=" tsd-kind-type-alias tsd-parent-kind-module">
-						<a href="../modules/types.html#Crypto" class="tsd-kind-icon">Crypto</a>
-					</li>
-					<li class=" tsd-kind-type-alias tsd-parent-kind-module">
-						<a href="../modules/types.html#DBDomain" class="tsd-kind-icon">DBDomain</a>
-					</li>
-					<li class=" tsd-kind-type-alias tsd-parent-kind-module">
-						<a href="../modules/types.html#DBLevel" class="tsd-kind-icon">DBLevel</a>
-					</li>
-					<li class=" tsd-kind-type-alias tsd-parent-kind-module">
-						<a href="../modules/types.html#DBOp" class="tsd-kind-icon">DBOp</a>
-					</li>
-					<li class=" tsd-kind-type-alias tsd-parent-kind-module">
-						<a href="../modules/types.html#DBOps" class="tsd-kind-icon">DBOps</a>
-					</li>
-					<li class=" tsd-kind-type-alias tsd-parent-kind-module">
-						<a href="../modules/types.html#DBWorkerManagerInterface" class="tsd-kind-icon">DBWorker<wbr>Manager<wbr>Interface</a>
-					</li>
-					<li class=" tsd-kind-type-alias tsd-parent-kind-module">
-						<a href="../modules/types.html#POJO" class="tsd-kind-icon">POJO</a>
-					</li>
-				</ul>
-			</nav>
-		</div>
-	</div>
-</div>
-<footer class="with-border-bottom">
-	<div class="container">
-		<h2>Legend</h2>
-		<div class="tsd-legend-group">
-			<ul class="tsd-legend">
-				<li class="tsd-kind-variable"><span class="tsd-kind-icon">Variable</span></li>
-				<li class="tsd-kind-function"><span class="tsd-kind-icon">Function</span></li>
-				<li class="tsd-kind-function tsd-has-type-parameter"><span class="tsd-kind-icon">Function with type parameter</span></li>
-				<li class="tsd-kind-type-alias"><span class="tsd-kind-icon">Type alias</span></li>
-			</ul>
-			<ul class="tsd-legend">
-				<li class="tsd-kind-interface"><span class="tsd-kind-icon">Interface</span></li>
-				<li class="tsd-kind-property tsd-parent-kind-interface"><span class="tsd-kind-icon">Property</span></li>
-				<li class="tsd-kind-method tsd-parent-kind-interface"><span class="tsd-kind-icon">Method</span></li>
-			</ul>
-			<ul class="tsd-legend">
-				<li class="tsd-kind-class"><span class="tsd-kind-icon">Class</span></li>
-			</ul>
-		</div>
-	</div>
-</footer>
-<div class="container tsd-generator">
-	<p>Generated using <a href="https://typedoc.org/" target="_blank">TypeDoc</a></p>
-</div>
-<div class="overlay"></div>
-<script src="../assets/js/main.js"></script>
-</body>
-</html>
\ No newline at end of file
diff --git a/docs/interfaces/types.FileSystem.html b/docs/interfaces/types.FileSystem.html
index ff0d4722..8ee296e6 100644
--- a/docs/interfaces/types.FileSystem.html
+++ b/docs/interfaces/types.FileSystem.html
@@ -233,7 +233,7 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</
 						<a href="../modules/DB.html">DB</a>
 					</li>
 					<li class=" tsd-kind-module">
-						<a href="../modules/Transaction.html">Transaction</a>
+						<a href="../modules/DBTransaction.html">DBTransaction</a>
 					</li>
 					<li class=" tsd-kind-module">
 						<a href="../modules/errors.html">errors</a>
@@ -251,9 +251,6 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</
 			</nav>
 			<nav class="tsd-navigation secondary menu-sticky">
 				<ul class="before-current">
-					<li class=" tsd-kind-interface tsd-parent-kind-module">
-						<a href="types.DBTransaction.html" class="tsd-kind-icon">DBTransaction</a>
-					</li>
 				</ul>
 				<ul class="current">
 					<li class="current tsd-kind-interface tsd-parent-kind-module">
@@ -272,6 +269,9 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</
 					<li class=" tsd-kind-type-alias tsd-parent-kind-module">
 						<a href="../modules/types.html#DBDomain" class="tsd-kind-icon">DBDomain</a>
 					</li>
+					<li class=" tsd-kind-type-alias tsd-parent-kind-module tsd-has-type-parameter">
+						<a href="../modules/types.html#DBIterator" class="tsd-kind-icon">DBIterator</a>
+					</li>
 					<li class=" tsd-kind-type-alias tsd-parent-kind-module">
 						<a href="../modules/types.html#DBLevel" class="tsd-kind-icon">DBLevel</a>
 					</li>
@@ -301,6 +301,7 @@ <h2>Legend</h2>
 				<li class="tsd-kind-function"><span class="tsd-kind-icon">Function</span></li>
 				<li class="tsd-kind-function tsd-has-type-parameter"><span class="tsd-kind-icon">Function with type parameter</span></li>
 				<li class="tsd-kind-type-alias"><span class="tsd-kind-icon">Type alias</span></li>
+				<li class="tsd-kind-type-alias tsd-has-type-parameter"><span class="tsd-kind-icon">Type alias with type parameter</span></li>
 			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-interface"><span class="tsd-kind-icon">Interface</span></li>
diff --git a/docs/modules.html b/docs/modules.html
index 012b48b8..080b0a35 100644
--- a/docs/modules.html
+++ b/docs/modules.html
@@ -65,7 +65,7 @@ <h2>Index</h2>
 							<h3>Modules</h3>
 							<ul class="tsd-index-list">
 								<li class="tsd-kind-module"><a href="modules/DB.html" class="tsd-kind-icon">DB</a></li>
-								<li class="tsd-kind-module"><a href="modules/Transaction.html" class="tsd-kind-icon">Transaction</a></li>
+								<li class="tsd-kind-module"><a href="modules/DBTransaction.html" class="tsd-kind-icon">DBTransaction</a></li>
 								<li class="tsd-kind-module"><a href="modules/errors.html" class="tsd-kind-icon">errors</a></li>
 								<li class="tsd-kind-module"><a href="modules/index.html" class="tsd-kind-icon">index</a></li>
 								<li class="tsd-kind-module"><a href="modules/types.html" class="tsd-kind-icon">types</a></li>
@@ -86,7 +86,7 @@ <h3>Modules</h3>
 						<a href="modules/DB.html">DB</a>
 					</li>
 					<li class=" tsd-kind-module">
-						<a href="modules/Transaction.html">Transaction</a>
+						<a href="modules/DBTransaction.html">DBTransaction</a>
 					</li>
 					<li class=" tsd-kind-module">
 						<a href="modules/errors.html">errors</a>
@@ -118,6 +118,7 @@ <h2>Legend</h2>
 				<li class="tsd-kind-function"><span class="tsd-kind-icon">Function</span></li>
 				<li class="tsd-kind-function tsd-has-type-parameter"><span class="tsd-kind-icon">Function with type parameter</span></li>
 				<li class="tsd-kind-type-alias"><span class="tsd-kind-icon">Type alias</span></li>
+				<li class="tsd-kind-type-alias tsd-has-type-parameter"><span class="tsd-kind-icon">Type alias with type parameter</span></li>
 			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-interface"><span class="tsd-kind-icon">Interface</span></li>
diff --git a/docs/modules/DB.html b/docs/modules/DB.html
index 3ba181f1..5e0ce3be 100644
--- a/docs/modules/DB.html
+++ b/docs/modules/DB.html
@@ -89,7 +89,7 @@ <h3>Classes</h3>
 						<a href="DB.html">DB</a>
 					</li>
 					<li class=" tsd-kind-module">
-						<a href="Transaction.html">Transaction</a>
+						<a href="DBTransaction.html">DBTransaction</a>
 					</li>
 					<li class=" tsd-kind-module">
 						<a href="errors.html">errors</a>
@@ -124,6 +124,7 @@ <h2>Legend</h2>
 				<li class="tsd-kind-function"><span class="tsd-kind-icon">Function</span></li>
 				<li class="tsd-kind-function tsd-has-type-parameter"><span class="tsd-kind-icon">Function with type parameter</span></li>
 				<li class="tsd-kind-type-alias"><span class="tsd-kind-icon">Type alias</span></li>
+				<li class="tsd-kind-type-alias tsd-has-type-parameter"><span class="tsd-kind-icon">Type alias with type parameter</span></li>
 			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-interface"><span class="tsd-kind-icon">Interface</span></li>
diff --git a/docs/modules/Transaction.html b/docs/modules/DBTransaction.html
similarity index 90%
rename from docs/modules/Transaction.html
rename to docs/modules/DBTransaction.html
index b5f20368..f3fff456 100644
--- a/docs/modules/Transaction.html
+++ b/docs/modules/DBTransaction.html
@@ -3,7 +3,7 @@
 <head>
 	<meta charset="utf-8">
 	<meta http-equiv="X-UA-Compatible" content="IE=edge">
-	<title>Transaction | @matrixai/db</title>
+	<title>DBTransaction | @matrixai/db</title>
 	<meta name="description" content="Documentation for @matrixai/db">
 	<meta name="viewport" content="width=device-width, initial-scale=1">
 	<link rel="stylesheet" href="../assets/css/main.css">
@@ -55,10 +55,10 @@
 					<a href="../modules.html">@matrixai/db</a>
 				</li>
 				<li>
-					<a href="Transaction.html">Transaction</a>
+					<a href="DBTransaction.html">DBTransaction</a>
 				</li>
 			</ul>
-			<h1>Module Transaction</h1>
+			<h1>Module DBTransaction</h1>
 		</div>
 	</div>
 </header>
@@ -72,7 +72,7 @@ <h2>Index</h2>
 						<section class="tsd-index-section ">
 							<h3>Classes</h3>
 							<ul class="tsd-index-list">
-								<li class="tsd-kind-class tsd-parent-kind-module"><a href="../classes/Transaction.default.html" class="tsd-kind-icon">default</a></li>
+								<li class="tsd-kind-class tsd-parent-kind-module"><a href="../classes/DBTransaction.default.html" class="tsd-kind-icon">default</a></li>
 							</ul>
 						</section>
 					</div>
@@ -89,7 +89,7 @@ <h3>Classes</h3>
 						<a href="DB.html">DB</a>
 					</li>
 					<li class="current tsd-kind-module">
-						<a href="Transaction.html">Transaction</a>
+						<a href="DBTransaction.html">DBTransaction</a>
 					</li>
 					<li class=" tsd-kind-module">
 						<a href="errors.html">errors</a>
@@ -108,7 +108,7 @@ <h3>Classes</h3>
 			<nav class="tsd-navigation secondary menu-sticky">
 				<ul class="before-current">
 					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="../classes/Transaction.default.html" class="tsd-kind-icon">default</a>
+						<a href="../classes/DBTransaction.default.html" class="tsd-kind-icon">default</a>
 					</li>
 				</ul>
 			</nav>
@@ -124,6 +124,7 @@ <h2>Legend</h2>
 				<li class="tsd-kind-function"><span class="tsd-kind-icon">Function</span></li>
 				<li class="tsd-kind-function tsd-has-type-parameter"><span class="tsd-kind-icon">Function with type parameter</span></li>
 				<li class="tsd-kind-type-alias"><span class="tsd-kind-icon">Type alias</span></li>
+				<li class="tsd-kind-type-alias tsd-has-type-parameter"><span class="tsd-kind-icon">Type alias with type parameter</span></li>
 			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-interface"><span class="tsd-kind-icon">Interface</span></li>
diff --git a/docs/modules/errors.html b/docs/modules/errors.html
index f8da21e6..da0c41d6 100644
--- a/docs/modules/errors.html
+++ b/docs/modules/errors.html
@@ -73,17 +73,18 @@ <h2>Index</h2>
 							<h3>Classes</h3>
 							<ul class="tsd-index-list">
 								<li class="tsd-kind-class tsd-parent-kind-module"><a href="../classes/errors.ErrorDB.html" class="tsd-kind-icon">ErrorDB</a></li>
-								<li class="tsd-kind-class tsd-parent-kind-module"><a href="../classes/errors.ErrorDBCommitted.html" class="tsd-kind-icon">ErrorDBCommitted</a></li>
 								<li class="tsd-kind-class tsd-parent-kind-module"><a href="../classes/errors.ErrorDBCreate.html" class="tsd-kind-icon">ErrorDBCreate</a></li>
 								<li class="tsd-kind-class tsd-parent-kind-module"><a href="../classes/errors.ErrorDBDecrypt.html" class="tsd-kind-icon">ErrorDBDecrypt</a></li>
 								<li class="tsd-kind-class tsd-parent-kind-module"><a href="../classes/errors.ErrorDBDelete.html" class="tsd-kind-icon">ErrorDBDelete</a></li>
 								<li class="tsd-kind-class tsd-parent-kind-module"><a href="../classes/errors.ErrorDBDestroyed.html" class="tsd-kind-icon">ErrorDBDestroyed</a></li>
 								<li class="tsd-kind-class tsd-parent-kind-module"><a href="../classes/errors.ErrorDBLevelPrefix.html" class="tsd-kind-icon">ErrorDBLevel<wbr>Prefix</a></li>
-								<li class="tsd-kind-class tsd-parent-kind-module"><a href="../classes/errors.ErrorDBNotCommited.html" class="tsd-kind-icon">ErrorDBNot<wbr>Commited</a></li>
 								<li class="tsd-kind-class tsd-parent-kind-module"><a href="../classes/errors.ErrorDBNotRunning.html" class="tsd-kind-icon">ErrorDBNot<wbr>Running</a></li>
 								<li class="tsd-kind-class tsd-parent-kind-module"><a href="../classes/errors.ErrorDBParse.html" class="tsd-kind-icon">ErrorDBParse</a></li>
-								<li class="tsd-kind-class tsd-parent-kind-module"><a href="../classes/errors.ErrorDBRollbacked.html" class="tsd-kind-icon">ErrorDBRollbacked</a></li>
 								<li class="tsd-kind-class tsd-parent-kind-module"><a href="../classes/errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a></li>
+								<li class="tsd-kind-class tsd-parent-kind-module"><a href="../classes/errors.ErrorDBTransactionCommitted.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Committed</a></li>
+								<li class="tsd-kind-class tsd-parent-kind-module"><a href="../classes/errors.ErrorDBTransactionDestroyed.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Destroyed</a></li>
+								<li class="tsd-kind-class tsd-parent-kind-module"><a href="../classes/errors.ErrorDBTransactionNotCommited.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Not<wbr>Commited</a></li>
+								<li class="tsd-kind-class tsd-parent-kind-module"><a href="../classes/errors.ErrorDBTransactionRollbacked.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Rollbacked</a></li>
 							</ul>
 						</section>
 					</div>
@@ -100,7 +101,7 @@ <h3>Classes</h3>
 						<a href="DB.html">DB</a>
 					</li>
 					<li class=" tsd-kind-module">
-						<a href="Transaction.html">Transaction</a>
+						<a href="DBTransaction.html">DBTransaction</a>
 					</li>
 					<li class="current tsd-kind-module">
 						<a href="errors.html">errors</a>
@@ -121,9 +122,6 @@ <h3>Classes</h3>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="../classes/errors.ErrorDB.html" class="tsd-kind-icon">ErrorDB</a>
 					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="../classes/errors.ErrorDBCommitted.html" class="tsd-kind-icon">ErrorDBCommitted</a>
-					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="../classes/errors.ErrorDBCreate.html" class="tsd-kind-icon">ErrorDBCreate</a>
 					</li>
@@ -139,9 +137,6 @@ <h3>Classes</h3>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="../classes/errors.ErrorDBLevelPrefix.html" class="tsd-kind-icon">ErrorDBLevel<wbr>Prefix</a>
 					</li>
-					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="../classes/errors.ErrorDBNotCommited.html" class="tsd-kind-icon">ErrorDBNot<wbr>Commited</a>
-					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
 						<a href="../classes/errors.ErrorDBNotRunning.html" class="tsd-kind-icon">ErrorDBNot<wbr>Running</a>
 					</li>
@@ -149,10 +144,19 @@ <h3>Classes</h3>
 						<a href="../classes/errors.ErrorDBParse.html" class="tsd-kind-icon">ErrorDBParse</a>
 					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="../classes/errors.ErrorDBRollbacked.html" class="tsd-kind-icon">ErrorDBRollbacked</a>
+						<a href="../classes/errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a>
 					</li>
 					<li class=" tsd-kind-class tsd-parent-kind-module">
-						<a href="../classes/errors.ErrorDBRunning.html" class="tsd-kind-icon">ErrorDBRunning</a>
+						<a href="../classes/errors.ErrorDBTransactionCommitted.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Committed</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="../classes/errors.ErrorDBTransactionDestroyed.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Destroyed</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="../classes/errors.ErrorDBTransactionNotCommited.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Not<wbr>Commited</a>
+					</li>
+					<li class=" tsd-kind-class tsd-parent-kind-module">
+						<a href="../classes/errors.ErrorDBTransactionRollbacked.html" class="tsd-kind-icon">ErrorDBTransaction<wbr>Rollbacked</a>
 					</li>
 				</ul>
 			</nav>
@@ -168,6 +172,7 @@ <h2>Legend</h2>
 				<li class="tsd-kind-function"><span class="tsd-kind-icon">Function</span></li>
 				<li class="tsd-kind-function tsd-has-type-parameter"><span class="tsd-kind-icon">Function with type parameter</span></li>
 				<li class="tsd-kind-type-alias"><span class="tsd-kind-icon">Type alias</span></li>
+				<li class="tsd-kind-type-alias tsd-has-type-parameter"><span class="tsd-kind-icon">Type alias with type parameter</span></li>
 			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-interface"><span class="tsd-kind-icon">Interface</span></li>
diff --git a/docs/modules/index.html b/docs/modules/index.html
index 6079519d..ca907087 100644
--- a/docs/modules/index.html
+++ b/docs/modules/index.html
@@ -75,6 +75,7 @@ <h3>References</h3>
 								<li class="tsd-kind-reference tsd-parent-kind-module"><a href="index.html#Crypto" class="tsd-kind-icon">Crypto</a></li>
 								<li class="tsd-kind-reference tsd-parent-kind-module"><a href="index.html#DB" class="tsd-kind-icon">DB</a></li>
 								<li class="tsd-kind-reference tsd-parent-kind-module"><a href="index.html#DBDomain" class="tsd-kind-icon">DBDomain</a></li>
+								<li class="tsd-kind-reference tsd-parent-kind-module"><a href="index.html#DBIterator" class="tsd-kind-icon">DBIterator</a></li>
 								<li class="tsd-kind-reference tsd-parent-kind-module"><a href="index.html#DBLevel" class="tsd-kind-icon">DBLevel</a></li>
 								<li class="tsd-kind-reference tsd-parent-kind-module"><a href="index.html#DBOp" class="tsd-kind-icon">DBOp</a></li>
 								<li class="tsd-kind-reference tsd-parent-kind-module"><a href="index.html#DBOps" class="tsd-kind-icon">DBOps</a></li>
@@ -82,7 +83,6 @@ <h3>References</h3>
 								<li class="tsd-kind-reference tsd-parent-kind-module"><a href="index.html#DBWorkerManagerInterface" class="tsd-kind-icon">DBWorker<wbr>Manager<wbr>Interface</a></li>
 								<li class="tsd-kind-reference tsd-parent-kind-module"><a href="index.html#FileSystem" class="tsd-kind-icon">File<wbr>System</a></li>
 								<li class="tsd-kind-reference tsd-parent-kind-module"><a href="index.html#POJO" class="tsd-kind-icon">POJO</a></li>
-								<li class="tsd-kind-reference tsd-parent-kind-module"><a href="index.html#Transaction" class="tsd-kind-icon">Transaction</a></li>
 								<li class="tsd-kind-reference tsd-parent-kind-module"><a href="index.html#errors" class="tsd-kind-icon">errors</a></li>
 								<li class="tsd-kind-reference tsd-parent-kind-module"><a href="index.html#utils" class="tsd-kind-icon">utils</a></li>
 							</ul>
@@ -107,6 +107,11 @@ <h3>DB</h3>
 					<h3>DBDomain</h3>
 					Re-exports <a href="types.html#DBDomain">DBDomain</a>
 				</section>
+				<section class="tsd-panel tsd-member tsd-kind-reference tsd-parent-kind-module">
+					<a name="DBIterator" class="tsd-anchor"></a>
+					<h3>DBIterator</h3>
+					Re-exports <a href="types.html#DBIterator">DBIterator</a>
+				</section>
 				<section class="tsd-panel tsd-member tsd-kind-reference tsd-parent-kind-module">
 					<a name="DBLevel" class="tsd-anchor"></a>
 					<h3>DBLevel</h3>
@@ -125,7 +130,7 @@ <h3>DBOps</h3>
 				<section class="tsd-panel tsd-member tsd-kind-reference tsd-parent-kind-module">
 					<a name="DBTransaction" class="tsd-anchor"></a>
 					<h3>DBTransaction</h3>
-					Re-exports <a href="../interfaces/types.DBTransaction.html">DBTransaction</a>
+					Renames and exports <a href="../classes/DBTransaction.default.html">default</a>
 				</section>
 				<section class="tsd-panel tsd-member tsd-kind-reference tsd-parent-kind-module">
 					<a name="DBWorkerManagerInterface" class="tsd-anchor"></a>
@@ -142,11 +147,6 @@ <h3>File<wbr>System</h3>
 					<h3>POJO</h3>
 					Re-exports <a href="types.html#POJO">POJO</a>
 				</section>
-				<section class="tsd-panel tsd-member tsd-kind-reference tsd-parent-kind-module">
-					<a name="Transaction" class="tsd-anchor"></a>
-					<h3>Transaction</h3>
-					Renames and exports <a href="../classes/Transaction.default.html">default</a>
-				</section>
 				<section class="tsd-panel tsd-member tsd-kind-reference tsd-parent-kind-module">
 					<a name="errors" class="tsd-anchor"></a>
 					<h3>errors</h3>
@@ -169,7 +169,7 @@ <h3>utils</h3>
 						<a href="DB.html">DB</a>
 					</li>
 					<li class=" tsd-kind-module">
-						<a href="Transaction.html">Transaction</a>
+						<a href="DBTransaction.html">DBTransaction</a>
 					</li>
 					<li class=" tsd-kind-module">
 						<a href="errors.html">errors</a>
@@ -196,6 +196,9 @@ <h3>utils</h3>
 					<li class=" tsd-kind-reference tsd-parent-kind-module">
 						<a href="index.html#DBDomain" class="tsd-kind-icon">DBDomain</a>
 					</li>
+					<li class=" tsd-kind-reference tsd-parent-kind-module">
+						<a href="index.html#DBIterator" class="tsd-kind-icon">DBIterator</a>
+					</li>
 					<li class=" tsd-kind-reference tsd-parent-kind-module">
 						<a href="index.html#DBLevel" class="tsd-kind-icon">DBLevel</a>
 					</li>
@@ -217,9 +220,6 @@ <h3>utils</h3>
 					<li class=" tsd-kind-reference tsd-parent-kind-module">
 						<a href="index.html#POJO" class="tsd-kind-icon">POJO</a>
 					</li>
-					<li class=" tsd-kind-reference tsd-parent-kind-module">
-						<a href="index.html#Transaction" class="tsd-kind-icon">Transaction</a>
-					</li>
 					<li class=" tsd-kind-reference tsd-parent-kind-module">
 						<a href="index.html#errors" class="tsd-kind-icon">errors</a>
 					</li>
@@ -240,6 +240,7 @@ <h2>Legend</h2>
 				<li class="tsd-kind-function"><span class="tsd-kind-icon">Function</span></li>
 				<li class="tsd-kind-function tsd-has-type-parameter"><span class="tsd-kind-icon">Function with type parameter</span></li>
 				<li class="tsd-kind-type-alias"><span class="tsd-kind-icon">Type alias</span></li>
+				<li class="tsd-kind-type-alias tsd-has-type-parameter"><span class="tsd-kind-icon">Type alias with type parameter</span></li>
 			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-interface"><span class="tsd-kind-icon">Interface</span></li>
diff --git a/docs/modules/types.html b/docs/modules/types.html
index bcee0dc8..9b99cc0c 100644
--- a/docs/modules/types.html
+++ b/docs/modules/types.html
@@ -72,7 +72,6 @@ <h2>Index</h2>
 						<section class="tsd-index-section ">
 							<h3>Interfaces</h3>
 							<ul class="tsd-index-list">
-								<li class="tsd-kind-interface tsd-parent-kind-module"><a href="../interfaces/types.DBTransaction.html" class="tsd-kind-icon">DBTransaction</a></li>
 								<li class="tsd-kind-interface tsd-parent-kind-module"><a href="../interfaces/types.FileSystem.html" class="tsd-kind-icon">File<wbr>System</a></li>
 							</ul>
 						</section>
@@ -81,6 +80,7 @@ <h3>Type aliases</h3>
 							<ul class="tsd-index-list">
 								<li class="tsd-kind-type-alias tsd-parent-kind-module"><a href="types.html#Crypto" class="tsd-kind-icon">Crypto</a></li>
 								<li class="tsd-kind-type-alias tsd-parent-kind-module"><a href="types.html#DBDomain" class="tsd-kind-icon">DBDomain</a></li>
+								<li class="tsd-kind-type-alias tsd-parent-kind-module tsd-has-type-parameter"><a href="types.html#DBIterator" class="tsd-kind-icon">DBIterator</a></li>
 								<li class="tsd-kind-type-alias tsd-parent-kind-module"><a href="types.html#DBLevel" class="tsd-kind-icon">DBLevel</a></li>
 								<li class="tsd-kind-type-alias tsd-parent-kind-module"><a href="types.html#DBOp" class="tsd-kind-icon">DBOp</a></li>
 								<li class="tsd-kind-type-alias tsd-parent-kind-module"><a href="types.html#DBOps" class="tsd-kind-icon">DBOps</a></li>
@@ -174,6 +174,106 @@ <h3>DBDomain</h3>
 						</ul>
 					</aside>
 				</section>
+				<section class="tsd-panel tsd-member tsd-kind-type-alias tsd-parent-kind-module tsd-has-type-parameter">
+					<a name="DBIterator" class="tsd-anchor"></a>
+					<h3>DBIterator</h3>
+					<div class="tsd-signature tsd-kind-icon">DBIterator&lt;K, V&gt;<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">{ </span>[asyncIterator]<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">; </span>end<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">; </span>next<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">; </span>seek<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol"> }</span></div>
+					<aside class="tsd-sources">
+						<ul>
+							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/types.ts#L43">src/types.ts:43</a></li>
+						</ul>
+					</aside>
+					<div class="tsd-comment tsd-typography">
+						<div class="lead">
+							<p>Custom type for our iterator
+							This takes over from the outdated AbstractIterator used in abstract-leveldown</p>
+						</div>
+					</div>
+					<h4 class="tsd-type-parameters-title">Type parameters</h4>
+					<ul class="tsd-type-parameters">
+						<li>
+							<h4>K = <span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">undefined</span></h4>
+						</li>
+						<li>
+							<h4>V = <span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">undefined</span></h4>
+						</li>
+					</ul>
+					<div class="tsd-type-declaration">
+						<h4>Type declaration</h4>
+						<ul class="tsd-parameters">
+							<li class="tsd-parameter">
+								<h5>[async<wbr>Iterator]<span class="tsd-signature-symbol">: </span>function</h5>
+								<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-type-literal">
+									<li class="tsd-signature tsd-kind-icon">[async<wbr>Iterator]<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">AsyncGenerator</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-symbol">[</span><span class="tsd-signature-type">K</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">V</span><span class="tsd-signature-symbol">]</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">unknown</span><span class="tsd-signature-symbol">&gt;</span></li>
+								</ul>
+								<ul class="tsd-descriptions">
+									<li class="tsd-description">
+										<aside class="tsd-sources">
+											<ul>
+												<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/types.ts#L47">src/types.ts:47</a></li>
+											</ul>
+										</aside>
+										<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">AsyncGenerator</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-symbol">[</span><span class="tsd-signature-type">K</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">V</span><span class="tsd-signature-symbol">]</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">unknown</span><span class="tsd-signature-symbol">&gt;</span></h4>
+									</li>
+								</ul>
+							</li>
+							<li class="tsd-parameter">
+								<h5>end<span class="tsd-signature-symbol">: </span>function</h5>
+								<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-type-literal">
+									<li class="tsd-signature tsd-kind-icon">end<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></li>
+								</ul>
+								<ul class="tsd-descriptions">
+									<li class="tsd-description">
+										<aside class="tsd-sources">
+											<ul>
+												<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/types.ts#L46">src/types.ts:46</a></li>
+											</ul>
+										</aside>
+										<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></h4>
+									</li>
+								</ul>
+							</li>
+							<li class="tsd-parameter">
+								<h5>next<span class="tsd-signature-symbol">: </span>function</h5>
+								<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-type-literal">
+									<li class="tsd-signature tsd-kind-icon">next<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-symbol">[</span><span class="tsd-signature-type">K</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">V</span><span class="tsd-signature-symbol">]</span><span class="tsd-signature-symbol">&gt;</span></li>
+								</ul>
+								<ul class="tsd-descriptions">
+									<li class="tsd-description">
+										<aside class="tsd-sources">
+											<ul>
+												<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/types.ts#L45">src/types.ts:45</a></li>
+											</ul>
+										</aside>
+										<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-symbol">[</span><span class="tsd-signature-type">K</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">V</span><span class="tsd-signature-symbol">]</span><span class="tsd-signature-symbol">&gt;</span></h4>
+									</li>
+								</ul>
+							</li>
+							<li class="tsd-parameter">
+								<h5>seek<span class="tsd-signature-symbol">: </span>function</h5>
+								<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-type-literal">
+									<li class="tsd-signature tsd-kind-icon">seek<span class="tsd-signature-symbol">(</span>k<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Buffer</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
+								</ul>
+								<ul class="tsd-descriptions">
+									<li class="tsd-description">
+										<aside class="tsd-sources">
+											<ul>
+												<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/types.ts#L44">src/types.ts:44</a></li>
+											</ul>
+										</aside>
+										<h4 class="tsd-parameters-title">Parameters</h4>
+										<ul class="tsd-parameters">
+											<li>
+												<h5>k: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Buffer</span></h5>
+											</li>
+										</ul>
+										<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4>
+									</li>
+								</ul>
+							</li>
+						</ul>
+					</div>
+				</section>
 				<section class="tsd-panel tsd-member tsd-kind-type-alias tsd-parent-kind-module">
 					<a name="DBLevel" class="tsd-anchor"></a>
 					<h3>DBLevel</h3>
@@ -190,7 +290,7 @@ <h3>DBOp</h3>
 					<div class="tsd-signature tsd-kind-icon">DBOp<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">{ </span>type<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">&quot;put&quot;</span><span class="tsd-signature-symbol"> }</span><span class="tsd-signature-symbol"> &amp; </span><span class="tsd-signature-type">DBOp_</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">{ </span>type<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">&quot;del&quot;</span><span class="tsd-signature-symbol"> }</span><span class="tsd-signature-symbol"> &amp; </span><span class="tsd-signature-type">Omit</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">DBOp_</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">&quot;value&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;raw&quot;</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">)</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/types.ts#L53">src/types.ts:53</a></li>
+							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/types.ts#L64">src/types.ts:64</a></li>
 						</ul>
 					</aside>
 				</section>
@@ -200,7 +300,7 @@ <h3>DBOps</h3>
 					<div class="tsd-signature tsd-kind-icon">DBOps<span class="tsd-signature-symbol">:</span> <a href="types.html#DBOp" class="tsd-signature-type" data-tsd-kind="Type alias">DBOp</a><span class="tsd-signature-symbol">[]</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/types.ts#L61">src/types.ts:61</a></li>
+							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/types.ts#L72">src/types.ts:72</a></li>
 						</ul>
 					</aside>
 				</section>
@@ -249,7 +349,7 @@ <h5><span class="tsd-signature-symbol">[</span>key: <span class="tsd-signature-t
 						<a href="DB.html">DB</a>
 					</li>
 					<li class=" tsd-kind-module">
-						<a href="Transaction.html">Transaction</a>
+						<a href="DBTransaction.html">DBTransaction</a>
 					</li>
 					<li class=" tsd-kind-module">
 						<a href="errors.html">errors</a>
@@ -267,9 +367,6 @@ <h5><span class="tsd-signature-symbol">[</span>key: <span class="tsd-signature-t
 			</nav>
 			<nav class="tsd-navigation secondary menu-sticky">
 				<ul class="before-current">
-					<li class=" tsd-kind-interface tsd-parent-kind-module">
-						<a href="../interfaces/types.DBTransaction.html" class="tsd-kind-icon">DBTransaction</a>
-					</li>
 					<li class=" tsd-kind-interface tsd-parent-kind-module">
 						<a href="../interfaces/types.FileSystem.html" class="tsd-kind-icon">File<wbr>System</a>
 					</li>
@@ -279,6 +376,9 @@ <h5><span class="tsd-signature-symbol">[</span>key: <span class="tsd-signature-t
 					<li class=" tsd-kind-type-alias tsd-parent-kind-module">
 						<a href="types.html#DBDomain" class="tsd-kind-icon">DBDomain</a>
 					</li>
+					<li class=" tsd-kind-type-alias tsd-parent-kind-module tsd-has-type-parameter">
+						<a href="types.html#DBIterator" class="tsd-kind-icon">DBIterator</a>
+					</li>
 					<li class=" tsd-kind-type-alias tsd-parent-kind-module">
 						<a href="types.html#DBLevel" class="tsd-kind-icon">DBLevel</a>
 					</li>
@@ -308,6 +408,7 @@ <h2>Legend</h2>
 				<li class="tsd-kind-function"><span class="tsd-kind-icon">Function</span></li>
 				<li class="tsd-kind-function tsd-has-type-parameter"><span class="tsd-kind-icon">Function with type parameter</span></li>
 				<li class="tsd-kind-type-alias"><span class="tsd-kind-icon">Type alias</span></li>
+				<li class="tsd-kind-type-alias tsd-has-type-parameter"><span class="tsd-kind-icon">Type alias with type parameter</span></li>
 			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-interface"><span class="tsd-kind-icon">Interface</span></li>
diff --git a/docs/modules/utils.html b/docs/modules/utils.html
index acd23d0e..c3aa2417 100644
--- a/docs/modules/utils.html
+++ b/docs/modules/utils.html
@@ -96,7 +96,7 @@ <h3><span class="tsd-flag ts-flagConst">Const</span> prefix</h3>
 					<div class="tsd-signature tsd-kind-icon">prefix<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">&quot;!&quot;</span><span class="tsd-signature-symbol"> = &#x27;!&#x27;</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/utils.ts#L6">src/utils.ts:6</a></li>
+							<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/utils.ts#L5">src/utils.ts:5</a></li>
 						</ul>
 					</aside>
 				</section>
@@ -113,7 +113,7 @@ <h3>deserialize</h3>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/utils.ts#L25">src/utils.ts:25</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/utils.ts#L24">src/utils.ts:24</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-type-parameters-title">Type parameters</h4>
@@ -142,7 +142,7 @@ <h3>domain<wbr>Path</h3>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/utils.ts#L10">src/utils.ts:10</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/utils.ts#L9">src/utils.ts:9</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
@@ -168,7 +168,7 @@ <h3>from<wbr>Array<wbr>Buffer</h3>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/utils.ts#L46">src/utils.ts:46</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/utils.ts#L45">src/utils.ts:45</a></li>
 								</ul>
 							</aside>
 							<div class="tsd-comment tsd-typography">
@@ -202,7 +202,7 @@ <h3>serialize</h3>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/utils.ts#L21">src/utils.ts:21</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/utils.ts#L20">src/utils.ts:20</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-type-parameters-title">Type parameters</h4>
@@ -231,7 +231,7 @@ <h3>to<wbr>Array<wbr>Buffer</h3>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/utils.ts#L39">src/utils.ts:39</a></li>
+									<li>Defined in <a href="https://github.com/MatrixAI/js-db/blob/master/src/utils.ts#L38">src/utils.ts:38</a></li>
 								</ul>
 							</aside>
 							<div class="tsd-comment tsd-typography">
@@ -261,7 +261,7 @@ <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">ArrayBuff
 						<a href="DB.html">DB</a>
 					</li>
 					<li class=" tsd-kind-module">
-						<a href="Transaction.html">Transaction</a>
+						<a href="DBTransaction.html">DBTransaction</a>
 					</li>
 					<li class=" tsd-kind-module">
 						<a href="errors.html">errors</a>
@@ -311,6 +311,7 @@ <h2>Legend</h2>
 				<li class="tsd-kind-function"><span class="tsd-kind-icon">Function</span></li>
 				<li class="tsd-kind-function tsd-has-type-parameter"><span class="tsd-kind-icon">Function with type parameter</span></li>
 				<li class="tsd-kind-type-alias"><span class="tsd-kind-icon">Type alias</span></li>
+				<li class="tsd-kind-type-alias tsd-has-type-parameter"><span class="tsd-kind-icon">Type alias with type parameter</span></li>
 			</ul>
 			<ul class="tsd-legend">
 				<li class="tsd-kind-interface"><span class="tsd-kind-icon">Interface</span></li>
diff --git a/package-lock.json b/package-lock.json
index 043f1730..a5c525a4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -832,6 +832,11 @@
       "resolved": "https://registry.npmjs.org/@matrixai/logger/-/logger-2.1.0.tgz",
       "integrity": "sha512-UmLuXi2PJ03v0Scfl57217RPnjEZDRLlpfdIjIwCfju+kofnhhCI9P7OZu3/FgW147vbvSzWCrrtpwJiLROUUA=="
     },
+    "@matrixai/resources": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@matrixai/resources/-/resources-1.0.0.tgz",
+      "integrity": "sha512-B1ZkySZwOZTIzhK+YTN4HifOTd1dk1ifDUV8/8WgGho2nUZzIMYms7iDmW/ZHUCkqvWupKY6AYvfwnKBOJJnWg=="
+    },
     "@matrixai/workers": {
       "version": "1.2.5",
       "resolved": "https://registry.npmjs.org/@matrixai/workers/-/workers-1.2.5.tgz",
diff --git a/package.json b/package.json
index a467b760..f50d3e01 100644
--- a/package.json
+++ b/package.json
@@ -22,9 +22,9 @@
   "dependencies": {
     "@matrixai/async-init": "^1.6.0",
     "@matrixai/logger": "^2.1.0",
+    "@matrixai/resources": "^1.0.0",
     "@matrixai/workers": "^1.2.5",
     "abstract-leveldown": "^7.2.0",
-    "async-mutex": "^0.3.1",
     "level": "7.0.1",
     "levelup": "^5.1.1",
     "sublevel-prefixer": "^1.0.0",
diff --git a/shell.nix b/shell.nix
index c38baebf..223d81c3 100644
--- a/shell.nix
+++ b/shell.nix
@@ -13,6 +13,9 @@ pkgs.mkShell {
     set +o allexport
     set -v
 
+    # Enables npm link to work
+    export npm_config_prefix=~/.npm
+
     export PATH="$(pwd)/dist/bin:$(npm bin):$PATH"
     npm install
     mkdir --parents "$(pwd)/tmp"
diff --git a/src/DB.ts b/src/DB.ts
index c38472a9..8dd41a93 100644
--- a/src/DB.ts
+++ b/src/DB.ts
@@ -1,26 +1,28 @@
-import type { AbstractBatch } from 'abstract-leveldown';
+import type {
+  AbstractBatch,
+  AbstractIteratorOptions,
+} from 'abstract-leveldown';
 import type { LevelDB } from 'level';
-import type { MutexInterface } from 'async-mutex';
+import type { ResourceAcquire } from '@matrixai/resources';
 import type {
+  POJO,
   FileSystem,
   Crypto,
   DBWorkerManagerInterface,
   DBDomain,
   DBLevel,
+  DBIterator,
   DBOps,
-  DBTransaction,
 } from './types';
-
 import level from 'level';
 import subleveldown from 'subleveldown';
 import { Transfer } from 'threads';
-import { Mutex } from 'async-mutex';
 import Logger from '@matrixai/logger';
 import {
   CreateDestroyStartStop,
   ready,
 } from '@matrixai/async-init/dist/CreateDestroyStartStop';
-import Transaction from './Transaction';
+import DBTransaction from './DBTransaction';
 import * as utils from './utils';
 import * as errors from './errors';
 
@@ -33,7 +35,6 @@ class DB {
   public static async createDB({
     dbPath,
     crypto,
-    lock = new Mutex(),
     fs = require('fs'),
     logger = new Logger(this.name),
     fresh = false,
@@ -43,7 +44,6 @@ class DB {
       key: Buffer;
       ops: Crypto;
     };
-    lock?: MutexInterface;
     fs?: FileSystem;
     logger?: Logger;
     fresh?: boolean;
@@ -52,7 +52,6 @@ class DB {
     const db = new DB({
       dbPath,
       crypto,
-      lock,
       fs,
       logger,
     });
@@ -67,16 +66,17 @@ class DB {
     key: Buffer;
     ops: Crypto;
   };
-  protected lock: MutexInterface;
   protected fs: FileSystem;
   protected logger: Logger;
   protected workerManager?: DBWorkerManagerInterface;
   protected _db: LevelDB<string | Buffer, Buffer>;
+  protected _dataDb: DBLevel;
+  protected _transactionsDb: DBLevel;
+  protected transactionCounter: number = 0;
 
   constructor({
     dbPath,
     crypto,
-    lock,
     fs,
     logger,
   }: {
@@ -85,23 +85,25 @@ class DB {
       key: Buffer;
       ops: Crypto;
     };
-    lock: MutexInterface;
     fs: FileSystem;
     logger: Logger;
   }) {
     this.logger = logger;
     this.dbPath = dbPath;
     this.crypto = crypto;
-    this.lock = lock;
     this.fs = fs;
   }
 
-  get db(): LevelDB<string, Buffer> {
+  get db(): LevelDB<string | Buffer, Buffer> {
     return this._db;
   }
 
-  get locked(): boolean {
-    return this.lock.isLocked();
+  get dataDb(): DBLevel {
+    return this._dataDb;
+  }
+
+  get transactionsDb(): DBLevel {
+    return this._transactionsDb;
   }
 
   public async start({
@@ -121,37 +123,11 @@ class DB {
         throw new errors.ErrorDBDelete(e.message, undefined, e);
       }
     }
-    try {
-      await this.fs.promises.mkdir(this.dbPath);
-    } catch (e) {
-      if (e.code !== 'EEXIST') {
-        throw new errors.ErrorDBCreate(e.message, undefined, e);
-      }
-    }
-    let dbLevel;
-    try {
-      dbLevel = await new Promise<LevelDB<string | Buffer, Buffer>>(
-        (resolve, reject) => {
-          const db = level(
-            this.dbPath,
-            {
-              keyEncoding: 'binary',
-              valueEncoding: 'binary',
-            },
-            (e) => {
-              if (e) {
-                reject(e);
-              } else {
-                resolve(db);
-              }
-            },
-          );
-        },
-      );
-    } catch (e) {
-      throw new errors.ErrorDBCreate(e.message, undefined, e);
-    }
-    this._db = dbLevel;
+    const db = await this.setupDb(this.dbPath);
+    const { dataDb, transactionsDb } = await this.setupRootLevels(db);
+    this._db = db;
+    this._dataDb = dataDb;
+    this._transactionsDb = transactionsDb;
     this.logger.info(`Started ${this.constructor.name}`);
   }
 
@@ -187,91 +163,92 @@ class DB {
     delete this.workerManager;
   }
 
-  public async withLocks<T>(
-    f: () => Promise<T>,
-    locks: Array<MutexInterface> = [this.lock],
-  ): Promise<T> {
-    const releases: Array<MutexInterface.Releaser> = [];
-    for (const l of locks) {
-      releases.push(await l.acquire());
-    }
-    try {
-      return await f();
-    } finally {
-      // Release them in the opposite order
-      releases.reverse();
-      for (const r of releases) {
-        r();
-      }
-    }
-  }
-
-  /**
-   * Attempts to lock in sequence
-   * If you don't pass any
-   * Then it will just lock globally
-   * Otherwise it tries to run the transaction
-   * And commits the operations at the very end
-   * This allows one to create a lock to be shared between mutliple transactions
-   */
   @ready(new errors.ErrorDBNotRunning())
-  public async transact<T>(
-    f: (t: DBTransaction) => Promise<T>,
-    locks: Array<MutexInterface> = [this.lock],
-  ): Promise<T> {
-    return this.withLocks(async () => {
-      const tran = new Transaction({ db: this, logger: this.logger });
-      let value: T;
-      try {
-        value = await f(tran);
-        await tran.commit();
-      } catch (e) {
-        await tran.rollback();
-        throw e;
-      }
-      // Only finalize if commit succeeded
-      await tran.finalize();
-      return value;
-    }, locks);
+  public transaction(): ResourceAcquire<DBTransaction> {
+    return async () => {
+      const transactionId = this.transactionCounter++;
+      const transactionDb = await this._level(
+        transactionId.toString(),
+        this.transactionsDb,
+      );
+      const tran = await DBTransaction.createTransaction({
+        db: this,
+        transactionId,
+        transactionDb,
+        logger: this.logger,
+      });
+      return [
+        async (e?: Error) => {
+          try {
+            if (e == null) {
+              try {
+                await tran.commit();
+              } catch (e) {
+                await tran.rollback();
+                throw e;
+              }
+              await tran.finalize();
+            } else {
+              await tran.rollback();
+            }
+          } finally {
+            await tran.destroy();
+          }
+        },
+        tran,
+      ];
+    };
   }
 
   @ready(new errors.ErrorDBNotRunning())
   public async level(
     domain: string,
-    dbLevel: DBLevel = this._db,
-  ): Promise<DBLevel> {
-    try {
-      return await new Promise<DBLevel>((resolve, reject) => {
-        const dbLevelNew = subleveldown(dbLevel, domain, {
-          keyEncoding: 'binary',
-          valueEncoding: 'binary',
-          open: (cb) => {
-            // This `cb` is defaulted (hardcoded) to a function that emits an error event
-            // When using `level`, we are able to provide a callback that overrides this `cb`
-            // However `subleveldown` does not provide a callback parameter
-            // It provides this `open` option, which requires us to call `cb` to finish
-            // If we provide an exception as a parameter, it will be received by the `error` event handler
-            cb(undefined);
-            resolve(dbLevelNew);
-          },
-        });
-        // @ts-ignore error event for subleveldown
-        dbLevelNew.on('error', (e) => {
-          // Errors during construction of the sublevel will be emitted as events
-          reject(e);
-        });
-      });
-    } catch (e) {
-      if (e instanceof RangeError) {
-        // Some domain prefixes will conflict with the separator
-        throw new errors.ErrorDBLevelPrefix();
+    dbLevel: DBLevel = this._dataDb,
+  ): ReturnType<DB['_level']> {
+    return this._level(domain, dbLevel);
+  }
+
+  public iterator(
+    options: AbstractIteratorOptions & { key: false; value: false },
+    dbLevel: DBLevel,
+  ): DBIterator<undefined, undefined>;
+  public iterator(
+    options: AbstractIteratorOptions & { key: false },
+    dbLevel: DBLevel,
+  ): DBIterator<undefined, Buffer>;
+  public iterator(
+    options: AbstractIteratorOptions & { value: false },
+    dbLevel: DBLevel,
+  ): DBIterator<Buffer, undefined>;
+  public iterator(
+    options?: AbstractIteratorOptions,
+    dbLevel?: DBLevel,
+  ): DBIterator<Buffer, Buffer>;
+  @ready(new errors.ErrorDBNotRunning())
+  public iterator(
+    options?: AbstractIteratorOptions,
+    dbLevel: DBLevel = this._dataDb,
+  ): DBIterator {
+    const iterator = dbLevel.iterator(options);
+    const next = iterator.next.bind(iterator);
+    // @ts-ignore AbstractIterator type is outdated
+    iterator.next = async (cb) => {
+      const kv = await next(cb);
+      if (kv != null) {
+        kv[1] = await this.deserializeDecrypt(kv[1], true);
       }
-      throw e;
-    }
+      return kv;
+    };
+    return iterator as unknown as DBIterator;
   }
 
   @ready(new errors.ErrorDBNotRunning())
-  public async count(dbLevel: DBLevel = this._db): Promise<number> {
+  public async clear(dbLevel: DBLevel = this._dataDb): Promise<void> {
+    await dbLevel.clear();
+  }
+
+  @ready(new errors.ErrorDBNotRunning())
+  public async count(dbLevel: DBLevel = this._dataDb): Promise<number> {
     let count = 0;
     for await (const _ of dbLevel.createKeyStream()) {
       count++;
@@ -279,6 +256,18 @@ class DB {
     return count;
   }
 
+  @ready(new errors.ErrorDBNotRunning())
+  public async dump(dbLevel: DBLevel = this._dataDb): Promise<POJO> {
+    const records = {};
+    for await (const o of dbLevel.createReadStream()) {
+      const key = (o as any).key.toString();
+      const data = (o as any).value as Buffer;
+      const value = await this.deserializeDecrypt(data, false);
+      records[key] = value;
+    }
+    return records;
+  }
+
   public async get<T>(
     domain: DBDomain,
     key: string | Buffer,
@@ -297,7 +286,7 @@ class DB {
   ): Promise<T | undefined> {
     let data;
     try {
-      data = await this._db.get(utils.domainPath(domain, key));
+      data = await this._dataDb.get(utils.domainPath(domain, key));
     } catch (e) {
       if (e.notFound) {
         return undefined;
@@ -327,12 +316,12 @@ class DB {
     raw: boolean = false,
   ): Promise<void> {
     const data = await this.serializeEncrypt(value, raw as any);
-    return this._db.put(utils.domainPath(domain, key), data);
+    return this._dataDb.put(utils.domainPath(domain, key), data);
   }
 
   @ready(new errors.ErrorDBNotRunning())
   public async del(domain: DBDomain, key: string | Buffer): Promise<void> {
-    return this._db.del(utils.domainPath(domain, key));
+    return this._dataDb.del(utils.domainPath(domain, key));
   }
 
   @ready(new errors.ErrorDBNotRunning())
@@ -357,7 +346,7 @@ class DB {
       }
     }
     const opsB = await Promise.all(opsP);
-    return this._db.batch(opsB);
+    return this._dataDb.batch(opsB);
   }
 
   public async serializeEncrypt(value: any, raw: false): Promise<Buffer>;
@@ -434,6 +423,89 @@ class DB {
       return raw ? plainTextBuf : utils.deserialize<T>(plainTextBuf);
     }
   }
+
+  protected async setupDb(
+    dbPath: string,
+  ): Promise<LevelDB<string | Buffer, Buffer>> {
+    try {
+      await this.fs.promises.mkdir(dbPath);
+    } catch (e) {
+      if (e.code !== 'EEXIST') {
+        throw new errors.ErrorDBCreate(e.message, undefined, e);
+      }
+    }
+    let db: LevelDB<string | Buffer, Buffer>;
+    try {
+      db = await new Promise<LevelDB<string | Buffer, Buffer>>(
+        (resolve, reject) => {
+          const db = level(
+            dbPath,
+            {
+              keyEncoding: 'binary',
+              valueEncoding: 'binary',
+            },
+            (e) => {
+              if (e) {
+                reject(e);
+              } else {
+                resolve(db);
+              }
+            },
+          );
+        },
+      );
+    } catch (e) {
+      throw new errors.ErrorDBCreate(e.message, undefined, e);
+    }
+    return db;
+  }
+
+  protected async setupRootLevels(
+    db: LevelDB<string | Buffer, Buffer>,
+  ): Promise<{
+    dataDb: DBLevel;
+    transactionsDb: DBLevel;
+  }> {
+    const dataDb = await this._level('data', db);
+    const transactionsDb = await this._level('transactions', db);
+    // Clear any dirty state in the transactions
+    await transactionsDb.clear();
+    return {
+      dataDb,
+      transactionsDb,
+    };
+  }
+
+  protected async _level(domain: string, dbLevel: DBLevel): Promise<DBLevel> {
+    try {
+      return await new Promise<DBLevel>((resolve, reject) => {
+        const dbLevelNew = subleveldown(dbLevel, domain, {
+          keyEncoding: 'binary',
+          valueEncoding: 'binary',
+          open: (cb) => {
+            // This `cb` is defaulted (hardcoded) to a function that emits an error event
+            // When using `level`, we are able to provide a callback that overrides this `cb`
+            // However `subleveldown` does not provide a callback parameter
+            // It provides this `open` option, which requires us to call `cb` to finish
+            // If we provide an exception as a parameter, it will be received by the `error` event handler
+            cb(undefined);
+            resolve(dbLevelNew);
+          },
+        });
+        // @ts-ignore error event for subleveldown
+        dbLevelNew.on('error', (e) => {
+          // Errors during construction of the sublevel will be emitted as events
+          reject(e);
+        });
+      });
+    } catch (e) {
+      if (e instanceof RangeError) {
+        // Some domain prefixes will conflict with the separator
+        throw new errors.ErrorDBLevelPrefix();
+      }
+      throw e;
+    }
+  }
 }
 
 export default DB;
diff --git a/src/DBTransaction.ts b/src/DBTransaction.ts
new file mode 100644
index 00000000..fa8ee213
--- /dev/null
+++ b/src/DBTransaction.ts
@@ -0,0 +1,408 @@
+import type { AbstractIteratorOptions } from 'abstract-leveldown';
+import type DB from './DB';
+import type { POJO, DBDomain, DBLevel, DBIterator, DBOps } from './types';
+import Logger from '@matrixai/logger';
+import { CreateDestroy, ready } from '@matrixai/async-init/dist/CreateDestroy';
+import * as dbUtils from './utils';
+import * as dbErrors from './errors';
+
+/**
+ * Minimal read-committed transaction system
+ *
+ * Properties:
+ *   - No dirty reads - cannot read uncommitted writes from other transactions
+ *   - Non-repeatable reads - multiple reads on the same key may read
+ *                            different values due to other committed
+ *                            transactions
+ *   - Phantom reads - can read entries that are added or deleted by other
+ *                     transactions
+ *   - Lost updates - can lose writes if 2 transactions commit writes to the
+ *                    same key
+ *
+ * To prevent non-repeatable reads, phantom-reads or lost-updates, it is up to the
+ * user to use advisory read/write locking on relevant keys or ranges of keys.
+ *
+ * This does not use LevelDB snapshots provided by the `iterator` method
+ * which would provide "repeatable-read" isolation level by default
+ *
+ * See: https://en.wikipedia.org/wiki/Isolation_(database_systems)
+ */
+interface DBTransaction extends CreateDestroy {}
+@CreateDestroy()
+class DBTransaction {
+  public static async createTransaction({
+    db,
+    transactionDb,
+    transactionId,
+    logger = new Logger(this.name),
+  }: {
+    db: DB;
+    transactionDb: DBLevel;
+    transactionId: number;
+    logger?: Logger;
+  }): Promise<DBTransaction> {
+    return new this({
+      db,
+      transactionDb,
+      transactionId,
+      logger,
+    });
+  }
+
+  public readonly transactionId: number;
+
+  protected db: DB;
+  protected transactionDb: DBLevel;
+  protected logger: Logger;
+  protected _ops: DBOps = [];
+  protected _callbacksSuccess: Array<() => any> = [];
+  protected _callbacksFailure: Array<() => any> = [];
+  protected _committed: boolean = false;
+  protected _rollbacked: boolean = false;
+
+  public constructor({
+    db,
+    transactionDb,
+    transactionId,
+    logger,
+  }: {
+    db: DB;
+    transactionDb: DBLevel;
+    transactionId: number;
+    logger: Logger;
+  }) {
+    this.logger = logger;
+    this.db = db;
+    this.transactionDb = transactionDb;
+    this.transactionId = transactionId;
+  }
+
+  public async destroy() {
+    await this.transactionDb.clear();
+  }
+
+  get ops(): Readonly<DBOps> {
+    return this._ops;
+  }
+
+  get callbacksSuccess(): Readonly<Array<() => any>> {
+    return this._callbacksSuccess;
+  }
+
+  get callbacksFailure(): Readonly<Array<() => any>> {
+    return this._callbacksFailure;
+  }
+
+  get committed(): boolean {
+    return this._committed;
+  }
+
+  get rollbacked(): boolean {
+    return this._rollbacked;
+  }
+
+  @ready(new dbErrors.ErrorDBTransactionDestroyed())
+  public async dump(domain: DBDomain = []): Promise<POJO> {
+    let transactionLevel = this.transactionDb;
+    for (const d of domain) {
+      transactionLevel = await this.db.level(d, transactionLevel);
+    }
+    const records = {};
+    for await (const o of transactionLevel.createReadStream()) {
+      const key = (o as any).key.toString();
+      const data = (o as any).value as Buffer;
+      const value = await this.db.deserializeDecrypt(data, false);
+      records[key] = value;
+    }
+    return records;
+  }
+
+  public async iterator(
+    options: AbstractIteratorOptions & { values: false },
+    domain?: DBDomain,
+  ): Promise<DBIterator<Buffer, undefined>>;
+  public async iterator(
+    options?: AbstractIteratorOptions,
+    domain?: DBDomain,
+  ): Promise<DBIterator<Buffer, Buffer>>;
+  @ready(new dbErrors.ErrorDBTransactionDestroyed())
+  public async iterator(
+    options?: AbstractIteratorOptions,
+    domain: DBDomain = [],
+  ): Promise<DBIterator> {
+    let dataLevel = this.db.dataDb;
+    for (const d of domain) {
+      dataLevel = await this.db.level(d, dataLevel);
+    }
+    const dataIterator = dataLevel.iterator({
+      ...options,
+      keys: true,
+      keyAsBuffer: true,
+      valuesAsBuffer: true,
+    });
+    let transactionLevel = this.transactionDb;
+    for (const d of domain) {
+      transactionLevel = await this.db.level(d, transactionLevel);
+    }
+    const tranIterator = transactionLevel.iterator({
+      ...options,
+      keys: true,
+      keyAsBuffer: true,
+      valuesAsBuffer: true,
+    });
+    const order = options?.reverse ? 'desc' : 'asc';
+    const iterator = {
+      _ended: false,
+      _nexting: false,
+      seek: (k: Buffer | string) => {
+        if (iterator._ended) {
+          throw new Error('cannot call seek() after end()');
+        }
+        if (iterator._nexting) {
+          throw new Error('cannot call seek() before next() has completed');
+        }
+        if (typeof k === 'string') {
+          k = Buffer.from(k, 'utf-8');
+        }
+        dataIterator.seek(k);
+        tranIterator.seek(k);
+      },
+      end: async () => {
+        if (iterator._ended) {
+          throw new Error('end() already called on iterator');
+        }
+        iterator._ended = true;
+        // @ts-ignore AbstractIterator type is outdated
+        await dataIterator.end();
+        // @ts-ignore AbstractIterator type is outdated
+        await tranIterator.end();
+      },
+      next: async () => {
+        if (iterator._ended) {
+          throw new Error('cannot call next() after end()');
+        }
+        if (iterator._nexting) {
+          throw new Error(
+            'cannot call next() before previous next() has completed',
+          );
+        }
+        iterator._nexting = true;
+        const decryptKV = async ([key, data]: [
+          Buffer,
+          Buffer | undefined,
+        ]): Promise<[Buffer, Buffer | undefined]> => {
+          if (data != null) {
+            data = await this.db.deserializeDecrypt(data, true);
+          }
+          return [key, data];
+        };
+        try {
+          // @ts-ignore AbstractIterator type is outdated
+          const tranKV = (await tranIterator.next()) as
+            | [Buffer, Buffer | undefined]
+            | undefined;
+          // @ts-ignore AbstractIterator type is outdated
+          const dataKV = (await dataIterator.next()) as
+            | [Buffer, Buffer | undefined]
+            | undefined;
+          // If both are finished, iterator is finished
+          if (tranKV == null && dataKV == null) {
+            return undefined;
+          }
+          // If tranIterator is not finished but dataIterator is finished
+          // continue with tranIterator
+          if (tranKV != null && dataKV == null) {
+            return decryptKV(tranKV);
+          }
+          // If tranIterator is finished but dataIterator is not finished
+          // continue with the dataIterator
+          if (tranKV == null && dataKV != null) {
+            return decryptKV(dataKV);
+          }
+          const [tranKey, tranData] = tranKV as [Buffer, Buffer | undefined];
+          const [dataKey, dataData] = dataKV as [Buffer, Buffer | undefined];
+          const keyCompare = Buffer.compare(tranKey, dataKey);
+          if (keyCompare < 0) {
+            if (order === 'asc') {
+              dataIterator.seek(tranKey);
+              return decryptKV([tranKey, tranData]);
+            } else if (order === 'desc') {
+              tranIterator.seek(dataKey);
+              return decryptKV([dataKey, dataData]);
+            }
+          } else if (keyCompare > 0) {
+            if (order === 'asc') {
+              tranIterator.seek(dataKey);
+              return decryptKV([dataKey, dataData]);
+            } else if (order === 'desc') {
+              dataIterator.seek(tranKey);
+              return decryptKV([tranKey, tranData]);
+            }
+          } else {
+            return decryptKV([tranKey, tranData]);
+          }
+        } finally {
+          iterator._nexting = false;
+        }
+      },
+      [Symbol.asyncIterator]: async function* () {
+        try {
+          let kv;
+          while ((kv = await iterator.next()) !== undefined) {
+            yield kv;
+          }
+        } finally {
+          if (!iterator._ended) await iterator.end();
+        }
+      },
+    };
+    return iterator;
+  }
+
+  @ready(new dbErrors.ErrorDBTransactionDestroyed())
+  public async clear(domain: DBDomain = []): Promise<void> {
+    for await (const [k] of await this.iterator({ values: false }, domain)) {
+      await this.del(domain, k);
+    }
+  }
+
+  @ready(new dbErrors.ErrorDBTransactionDestroyed())
+  public async count(domain: DBDomain = []): Promise<number> {
+    let count = 0;
+    for await (const _ of await this.iterator({ values: false }, domain)) {
+      count++;
+    }
+    return count;
+  }
+
+  public async get<T>(
+    domain: DBDomain,
+    key: string | Buffer,
+    raw?: false,
+  ): Promise<T | undefined>;
+  public async get(
+    domain: DBDomain,
+    key: string | Buffer,
+    raw: true,
+  ): Promise<Buffer | undefined>;
+  @ready(new dbErrors.ErrorDBTransactionDestroyed())
+  public async get<T>(
+    domain: DBDomain,
+    key: string | Buffer,
+    raw: boolean = false,
+  ): Promise<T | undefined> {
+    const path = dbUtils.domainPath(domain, key);
+    let value: T | undefined;
+    try {
+      const data = await this.transactionDb.get(path);
+      value = await this.db.deserializeDecrypt<T>(data, raw as any);
+    } catch (e) {
+      if (e.notFound) {
+        value = await this.db.get<T>(domain, key, raw as any);
+        // Don't set it in the transaction DB
+        // Because this is not a repeatable-read "snapshot"
+      } else {
+        throw e;
+      }
+    }
+    return value;
+  }
+
+  public async put(
+    domain: DBDomain,
+    key: string | Buffer,
+    value: any,
+    raw?: false,
+  ): Promise<void>;
+  public async put(
+    domain: DBDomain,
+    key: string | Buffer,
+    value: Buffer,
+    raw: true,
+  ): Promise<void>;
+  @ready(new dbErrors.ErrorDBTransactionDestroyed())
+  public async put(
+    domain: DBDomain,
+    key: string | Buffer,
+    value: any,
+    raw: boolean = false,
+  ): Promise<void> {
+    const path = dbUtils.domainPath(domain, key);
+    const data = await this.db.serializeEncrypt(value, raw as any);
+    await this.transactionDb.put(path, data);
+    this._ops.push({
+      type: 'put',
+      domain,
+      key,
+      value,
+      raw,
+    });
+  }
+
+  @ready(new dbErrors.ErrorDBTransactionDestroyed())
+  public async del(domain: DBDomain, key: string | Buffer): Promise<void> {
+    const path = dbUtils.domainPath(domain, key);
+    await this.transactionDb.del(path);
+    this._ops.push({
+      type: 'del',
+      domain,
+      key,
+    });
+  }
+
+  @ready(new dbErrors.ErrorDBTransactionDestroyed())
+  public queueSuccess(f: () => any): void {
+    this._callbacksSuccess.push(f);
+  }
+
+  @ready(new dbErrors.ErrorDBTransactionDestroyed())
+  public queueFailure(f: () => any): void {
+    this._callbacksFailure.push(f);
+  }
+
+  @ready(new dbErrors.ErrorDBTransactionDestroyed())
+  public async commit(): Promise<void> {
+    if (this._rollbacked) {
+      throw new dbErrors.ErrorDBTransactionRollbacked();
+    }
+    if (this._committed) {
+      return;
+    }
+    this._committed = true;
+    try {
+      await this.db.batch(this._ops);
+    } catch (e) {
+      this._committed = false;
+      throw e;
+    }
+  }
+
+  @ready(new dbErrors.ErrorDBTransactionDestroyed())
+  public async rollback(): Promise<void> {
+    if (this._committed) {
+      throw new dbErrors.ErrorDBTransactionCommitted();
+    }
+    if (this._rollbacked) {
+      return;
+    }
+    this._rollbacked = true;
+    for (const f of this._callbacksFailure) {
+      await f();
+    }
+  }
+
+  @ready(new dbErrors.ErrorDBTransactionDestroyed())
+  public async finalize(): Promise<void> {
+    if (this._rollbacked) {
+      throw new dbErrors.ErrorDBTransactionRollbacked();
+    }
+    if (!this._committed) {
+      throw new dbErrors.ErrorDBTransactionNotCommited();
+    }
+    for (const f of this._callbacksSuccess) {
+      await f();
+    }
+  }
+}
+
+export default DBTransaction;
diff --git a/src/Transaction.ts b/src/Transaction.ts
deleted file mode 100644
index 1df71b11..00000000
--- a/src/Transaction.ts
+++ /dev/null
@@ -1,177 +0,0 @@
-import type DB from './DB';
-import type { DBDomain, DBOps, DBTransaction } from './types';
-
-import Logger from '@matrixai/logger';
-import * as dbUtils from './utils';
-import * as dbErrors from './errors';
-
-/**
- * Minimal transaction system
- * Abstracts on top of the leveldb batch system
- * A makeshift "read-committed" isolation level, reads can be dirty (but prevented due to advisory locks)
- * Will only read data that have been committed, won't see dirty reads.
- *
- * Leveldb is not an MVCC database.
- * This when combined with advisory locking provides a "read-commited" isolation-level context.
- * This means dirty reads are not possible. But non-repeatable reads and phantom reads are all possible.
- * If we had access to leveldb snapshots, we could level up to "repeatable-read" isolation level and prevent
- * non-repeatable reads for both iteration/streaming and get. However we would still have lost-updates.
- */
-class Transaction implements DBTransaction {
-  protected db: DB;
-  protected logger: Logger;
-  protected _ops: DBOps = [];
-  protected _snap: Map<string, any> = new Map();
-  protected _callbacksSuccess: Array<() => any> = [];
-  protected _callbacksFailure: Array<() => any> = [];
-  protected _committed: boolean = false;
-  protected _rollbacked: boolean = false;
-
-  public constructor({ db, logger }: { db: DB; logger?: Logger }) {
-    this.logger = logger ?? new Logger(this.constructor.name);
-    this.db = db;
-  }
-
-  get ops(): Readonly<DBOps> {
-    return this._ops;
-  }
-
-  get snap(): ReadonlyMap<string, any> {
-    return this._snap;
-  }
-
-  get callbacksSuccess(): Readonly<Array<() => any>> {
-    return this._callbacksSuccess;
-  }
-
-  get callbacksFailure(): Readonly<Array<() => any>> {
-    return this._callbacksFailure;
-  }
-
-  get committed(): boolean {
-    return this._committed;
-  }
-
-  get rollbacked(): boolean {
-    return this._rollbacked;
-  }
-
-  public async get<T>(
-    domain: DBDomain,
-    key: string | Buffer,
-    raw?: false,
-  ): Promise<T | undefined>;
-  public async get(
-    domain: DBDomain,
-    key: string | Buffer,
-    raw: true,
-  ): Promise<Buffer | undefined>;
-  public async get<T>(
-    domain: DBDomain,
-    key: string | Buffer,
-    raw: boolean = false,
-  ): Promise<T | undefined> {
-    const path = dbUtils.domainPath(domain, key).toString('binary');
-    let value: T | undefined;
-    if (this._snap.has(path)) {
-      value = this._snap.get(path);
-    } else {
-      value = await this.db.get<T>(domain, key, raw as any);
-      // Don't need this atm
-      // there is no repeatable-read "snapshot"
-      // this._snap.set(path, value);
-      // dirty reads
-    }
-    return value;
-  }
-
-  public async put(
-    domain: DBDomain,
-    key: string | Buffer,
-    value: any,
-    raw?: false,
-  ): Promise<void>;
-  public async put(
-    domain: DBDomain,
-    key: string | Buffer,
-    value: Buffer,
-    raw: true,
-  ): Promise<void>;
-  public async put(
-    domain: DBDomain,
-    key: string | Buffer,
-    value: any,
-    raw: boolean = false,
-  ): Promise<void> {
-    const path = dbUtils.domainPath(domain, key).toString('binary');
-    this._snap.set(path, value);
-    this._ops.push({
-      type: 'put',
-      domain,
-      key,
-      value,
-      raw,
-    });
-  }
-
-  public async del(domain: DBDomain, key: string | Buffer): Promise<void> {
-    const path = dbUtils.domainPath(domain, key).toString('binary');
-    this._snap.set(path, undefined);
-    this._ops.push({
-      type: 'del',
-      domain,
-      key,
-    });
-  }
-
-  public queueSuccess(f: () => any): void {
-    this._callbacksSuccess.push(f);
-  }
-
-  public queueFailure(f: () => any): void {
-    this._callbacksFailure.push(f);
-  }
-
-  public async commit(): Promise<void> {
-    if (this._rollbacked) {
-      throw new dbErrors.ErrorDBRollbacked();
-    }
-    if (this._committed) {
-      return;
-    }
-    this._committed = true;
-    try {
-      await this.db.batch(this._ops);
-    } catch (e) {
-      this._committed = false;
-      throw e;
-    }
-  }
-
-  public async rollback(): Promise<void> {
-    if (this._committed) {
-      throw new dbErrors.ErrorDBCommitted();
-    }
-    if (this._rollbacked) {
-      return;
-    }
-    this._rollbacked = true;
-    for (const f of this._callbacksFailure) {
-      await f();
-    }
-  }
-
-  public async finalize(): Promise<void> {
-    if (this._rollbacked) {
-      throw new dbErrors.ErrorDBRollbacked();
-    }
-    if (!this._committed) {
-      throw new dbErrors.ErrorDBNotCommited();
-    }
-    for (const f of this._callbacksSuccess) {
-      await f();
-    }
-  }
-}
-
-export default Transaction;
diff --git a/src/errors.ts b/src/errors.ts
index 0c3d92f0..af0bba17 100644
--- a/src/errors.ts
+++ b/src/errors.ts
@@ -30,11 +30,13 @@ class ErrorDBDecrypt extends ErrorDB {}
 
 class ErrorDBParse extends ErrorDB {}
 
-class ErrorDBCommitted extends ErrorDB {}
+class ErrorDBTransactionDestroyed extends ErrorDB {}
 
-class ErrorDBNotCommited extends ErrorDB {}
+class ErrorDBTransactionCommitted extends ErrorDB {}
 
-class ErrorDBRollbacked extends ErrorDB {}
+class ErrorDBTransactionNotCommited extends ErrorDB {}
+
+class ErrorDBTransactionRollbacked extends ErrorDB {}
 
 export {
   ErrorDB,
@@ -46,7 +48,8 @@ export {
   ErrorDBLevelPrefix,
   ErrorDBDecrypt,
   ErrorDBParse,
-  ErrorDBCommitted,
-  ErrorDBNotCommited,
-  ErrorDBRollbacked,
+  ErrorDBTransactionDestroyed,
+  ErrorDBTransactionCommitted,
+  ErrorDBTransactionNotCommited,
+  ErrorDBTransactionRollbacked,
 };
diff --git a/src/index.ts b/src/index.ts
index bd1661e9..897e4303 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,5 +1,5 @@
 export { default as DB } from './DB';
-export { default as Transaction } from './Transaction';
+export { default as DBTransaction } from './DBTransaction';
 export * as utils from './utils';
 export * as errors from './errors';
 export * from './types';
diff --git a/src/types.ts b/src/types.ts
index 03a4c506..8bb952e4 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -36,6 +36,17 @@ type DBLevel = LevelUp<
   AbstractIterator<Buffer, Buffer>
 >;
 
+/**
+ * Custom type for our iterator
+ * This takes over from the outdated AbstractIterator used in abstract-leveldown
+ */
+type DBIterator<K = Buffer | undefined, V = Buffer | undefined> = {
+  seek: (k: Buffer | string) => void;
+  next: () => Promise<[K, V] | undefined>;
+  end: () => Promise<void>;
+  [Symbol.asyncIterator]: () => AsyncGenerator<[K, V]>;
+};
+
 type DBOp_ =
   | {
       domain: DBDomain;
@@ -60,44 +71,6 @@ type DBOp =
 
 type DBOps = Array<DBOp>;
 
-interface DBTransaction {
-  ops: Readonly<DBOps>;
-  snap: ReadonlyMap<string, any>;
-  callbacksSuccess: Readonly<Array<() => any>>;
-  callbacksFailure: Readonly<Array<() => any>>;
-  committed: boolean;
-
-  get<T>(
-    domain: DBDomain,
-    key: string | Buffer,
-    raw?: false,
-  ): Promise<T | undefined>;
-  get(
-    domain: DBDomain,
-    key: string | Buffer,
-    raw: true,
-  ): Promise<Buffer | undefined>;
-
-  put(
-    domain: DBDomain,
-    key: string | Buffer,
-    value: any,
-    raw?: false,
-  ): Promise<void>;
-  put(
-    domain: DBDomain,
-    key: string | Buffer,
-    value: Buffer,
-    raw: true,
-  ): Promise<void>;
-
-  del(domain: DBDomain, key: string | Buffer): Promise<void>;
-
-  queueSuccess(f: () => any): void;
-
-  queueFailure(f: () => any): void;
-}
-
 export type {
   POJO,
   FileSystem,
@@ -105,7 +78,7 @@ export type {
   DBWorkerManagerInterface,
   DBDomain,
   DBLevel,
+  DBIterator,
   DBOp,
   DBOps,
-  DBTransaction,
 };
diff --git a/src/utils.ts b/src/utils.ts
index 58a65a07..b7ceee97 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -1,5 +1,4 @@
 import type { DBDomain } from './types';
-
 import sublevelprefixer from 'sublevel-prefixer';
 import * as dbErrors from './errors';
 
diff --git a/tests/DB.test.ts b/tests/DB.test.ts
index 27cdadcd..71933fc9 100644
--- a/tests/DB.test.ts
+++ b/tests/DB.test.ts
@@ -1,6 +1,5 @@
 import type { DBOp } from '@/types';
 import type { DBWorkerModule } from './workers/dbWorkerModule';
-
 import os from 'os';
 import path from 'path';
 import fs from 'fs';
@@ -10,15 +9,18 @@ import Logger, { LogLevel, StreamHandler } from '@matrixai/logger';
 import { WorkerManager } from '@matrixai/workers';
 import { spawn, Worker } from 'threads';
 import DB from '@/DB';
-import * as utils from './utils';
+import * as utils from '@/utils';
+import * as testUtils from './utils';
 
-describe('DB', () => {
-  const logger = new Logger('DB Test', LogLevel.WARN, [new StreamHandler()]);
+describe(DB.name, () => {
+  const logger = new Logger(`${DB.name} Test`, LogLevel.WARN, [
+    new StreamHandler(),
+  ]);
   const crypto = {
-    key: utils.generateKeySync(256),
+    key: testUtils.generateKeySync(256),
     ops: {
-      encrypt: utils.encrypt,
-      decrypt: utils.decrypt,
+      encrypt: testUtils.encrypt,
+      decrypt: testUtils.decrypt,
     },
   };
   let dataDir: string;
@@ -99,7 +101,6 @@ describe('DB', () => {
     const dbPath = `${dataDir}/db`;
     const db = await DB.createDB({ dbPath, crypto, logger });
     await db.start();
-    await db.db.clear();
     await db.put([], 'a', 'value0');
     expect(await db.get([], 'a')).toBe('value0');
     await db.del([], 'a');
@@ -160,10 +161,10 @@ describe('DB', () => {
     const dbPath = `${dataDir}/db`;
     const db = await DB.createDB({ dbPath, crypto, logger });
     await db.start();
-    await db.db.put('a', await db.serializeEncrypt('value0', false));
+    await db.dataDb.put('a', await db.serializeEncrypt('value0', false));
     expect(await db.get([], 'a')).toBe('value0');
     await db.put([], 'b', 'value0');
-    expect(await db.deserializeDecrypt(await db.db.get('b'), false)).toBe(
+    expect(await db.deserializeDecrypt(await db.dataDb.get('b'), false)).toBe(
       'value0',
     );
     const level1 = await db.level('level1');
@@ -252,7 +253,7 @@ describe('DB', () => {
       await db.put([], k, 'value');
     }
     const keysIterated: Array<string> = [];
-    for await (const k of db.db.createKeyStream()) {
+    for await (const k of db.dataDb.createKeyStream()) {
       // Keys are buffers due to key encoding
       keysIterated.push(k.toString('utf-8'));
     }
@@ -270,13 +271,13 @@ describe('DB', () => {
       await db.put([], k, 'value');
     }
     const keysIterated: Array<Buffer> = [];
-    for await (const k of db.db.createKeyStream()) {
+    for await (const k of db.dataDb.createKeyStream()) {
       keysIterated.push(k as Buffer);
     }
     expect(keys).not.toStrictEqual(keysIterated);
     expect(keys.sort(Buffer.compare)).toStrictEqual(keysIterated);
     // Buffers can be considered can be considered big-endian numbers
-    const keysNumeric = keys.map(utils.bytes2BigInt);
+    const keysNumeric = keys.map(testUtils.bytes2BigInt);
     // Therefore lexicographic ordering of buffers is equal to numeric ordering of bytes
     expect(
       keysNumeric.slice(1).every((item, i) => keysNumeric[i] <= item),
@@ -294,7 +295,7 @@ describe('DB', () => {
       await db.put([], Buffer.from(lexi.pack(k)), 'value');
     }
     const keysIterated: Array<number> = [];
-    for await (const k of db.db.createKeyStream()) {
+    for await (const k of db.dataDb.createKeyStream()) {
       // Keys are buffers due to key encoding
       keysIterated.push(lexi.unpack([...k]));
     }
@@ -341,7 +342,6 @@ describe('DB', () => {
     const dbPath = `${dataDir}/db`;
     const db = await DB.createDB({ dbPath, crypto, logger });
     await db.start();
-    await db.db.clear();
     // 'string' is the same as Buffer.from('string')
     // even across levels
     await db.put([], 'string', 'value1');
@@ -373,7 +373,7 @@ describe('DB', () => {
     await db.put([], 'b', 'value1');
     await db.put([], 'c', 'value2');
     await db.put([], 'd', 'value3');
-    const keyStream = db.db.createKeyStream();
+    const keyStream = db.dataDb.createKeyStream();
     const ops = await new Promise<Array<DBOp>>((resolve, reject) => {
       const ops: Array<DBOp> = [];
       keyStream.on('data', (k) => {
@@ -398,6 +398,45 @@ describe('DB', () => {
     expect(await db.get([], 'd')).toBeUndefined();
     await db.stop();
   });
+  test('iterating sublevels', async () => {
+    const dbPath = `${dataDir}/db`;
+    const db = await DB.createDB({ dbPath, crypto, logger });
+    await db.put([], 'a', 'value0');
+    await db.put([], 'b', 'value1');
+    await db.put([], 'c', 'value2');
+    await db.put([], 'd', 'value3');
+    await db.put(['level1'], 'a', 'value0');
+    await db.put(['level1'], 'b', 'value1');
+    await db.put(['level1'], 'c', 'value2');
+    await db.put(['level1'], 'd', 'value3');
+    let results: Array<[string, string]>;
+    results = [];
+    for await (const [k, v] of db.iterator()) {
+      results.push([k.toString(), JSON.parse(v.toString())]);
+    }
+    expect(results).toStrictEqual([
+      [`${utils.prefix}level1${utils.prefix}a`, 'value0'],
+      [`${utils.prefix}level1${utils.prefix}b`, 'value1'],
+      [`${utils.prefix}level1${utils.prefix}c`, 'value2'],
+      [`${utils.prefix}level1${utils.prefix}d`, 'value3'],
+      ['a', 'value0'],
+      ['b', 'value1'],
+      ['c', 'value2'],
+      ['d', 'value3'],
+    ]);
+    results = [];
+    const level1 = await db.level('level1');
+    for await (const [k, v] of db.iterator(undefined, level1)) {
+      results.push([k.toString(), JSON.parse(v.toString())]);
+    }
+    expect(results).toStrictEqual([
+      ['a', 'value0'],
+      ['b', 'value1'],
+      ['c', 'value2'],
+      ['d', 'value3'],
+    ]);
+    await db.stop();
+  });
   test('counting sublevels', async () => {
     const dbPath = `${dataDir}/db`;
     const db = await DB.createDB({ dbPath, crypto, logger });
@@ -438,7 +477,6 @@ describe('DB', () => {
       });
     db.setWorkerManager(workerManager);
     await db.start();
-    await db.db.clear();
     await db.put([], 'a', 'value0');
     expect(await db.get([], 'a')).toBe('value0');
     await db.del([], 'a');
@@ -508,7 +546,6 @@ describe('DB', () => {
     const dbPath = `${dataDir}/db`;
     const db = await DB.createDB({ dbPath, logger });
     await db.start();
-    await db.db.clear();
     await db.put([], 'a', 'value0');
     expect(await db.get([], 'a')).toBe('value0');
     await db.del([], 'a');
diff --git a/tests/DBTransaction.test.ts b/tests/DBTransaction.test.ts
new file mode 100644
index 00000000..7d126465
--- /dev/null
+++ b/tests/DBTransaction.test.ts
@@ -0,0 +1,644 @@
+import os from 'os';
+import path from 'path';
+import fs from 'fs';
+import Logger, { LogLevel, StreamHandler } from '@matrixai/logger';
+import { withF } from '@matrixai/resources';
+import DB from '@/DB';
+import DBTransaction from '@/DBTransaction';
+import * as utils from '@/utils';
+import * as testUtils from './utils';
+
+describe(DBTransaction.name, () => {
+  const logger = new Logger(`${DBTransaction.name} test`, LogLevel.WARN, [
+    new StreamHandler(),
+  ]);
+  const crypto = {
+    key: testUtils.generateKeySync(256),
+    ops: {
+      encrypt: testUtils.encrypt,
+      decrypt: testUtils.decrypt,
+    },
+  };
+  let dataDir: string;
+  let db: DB;
+  beforeEach(async () => {
+    dataDir = await fs.promises.mkdtemp(
+      path.join(os.tmpdir(), 'encryptedfs-test-'),
+    );
+    const dbPath = `${dataDir}/db`;
+    db = await DB.createDB({ dbPath, crypto, logger });
+  });
+  afterEach(async () => {
+    await db.stop();
+    await fs.promises.rm(dataDir, {
+      force: true,
+      recursive: true,
+    });
+  });
+  test('snapshot state is cleared after releasing transactions', async () => {
+    const acquireTran1 = db.transaction();
+    const [releaseTran1, tran1] = await acquireTran1();
+    await tran1!.put([], 'hello', 'world');
+    const acquireTran2 = db.transaction();
+    const [releaseTran2, tran2] = await acquireTran2();
+    await tran2!.put([], 'hello', 'world');
+    expect(await db.dump(db.transactionsDb)).toStrictEqual({
+      [`${utils.prefix}0${utils.prefix}hello`]: 'world',
+      [`${utils.prefix}1${utils.prefix}hello`]: 'world',
+    });
+    await releaseTran1();
+    expect(await db.dump(db.transactionsDb)).toStrictEqual({
+      [`${utils.prefix}1${utils.prefix}hello`]: 'world',
+    });
+    await releaseTran2();
+    expect(await db.dump(db.transactionsDb)).toStrictEqual({});
+  });
+  test('get, put and del', async () => {
+    const p = withF([db.transaction()], async ([tran]) => {
+      expect(await tran.get([], 'foo')).toBeUndefined();
+      // Add foo -> bar to the transaction
+      await tran.put([], 'foo', 'bar');
+      // Add hello -> world to the transaction
+      await tran.put([], 'hello', 'world');
+      expect(await tran.get([], 'foo')).toBe('bar');
+      expect(await tran.get([], 'hello')).toBe('world');
+      expect(await tran.dump()).toStrictEqual({
+        foo: 'bar',
+        hello: 'world',
+      });
+      // Delete hello -> world
+      await tran.del([], 'hello');
+      // Transaction state should be used
+      expect(Object.entries(await db.dump(db.transactionsDb)).length > 0).toBe(
+        true,
+      );
+    });
+    // While the transaction is executed, there is no data
+    expect(await db.dump()).toStrictEqual({});
+    await p;
+    // Now the state should be applied to the DB
+    expect(await db.dump()).toStrictEqual({
+      foo: 'bar',
+    });
+    // Transaction state is cleared
+    expect(await db.dump(db.transactionsDb)).toStrictEqual({});
+  });
+  test('transactional clear', async () => {
+    await db.put([], '1', '1');
+    await db.put([], '2', '2');
+    await db.put([], '3', '3');
+    await withF([db.transaction()], async ([tran]) => {
+      await tran.clear();
+    });
+    expect(await db.dump()).toStrictEqual({});
+    await db.clear();
+    await db.put([], '1', '1');
+    await db.put(['level1'], '2', '2');
+    await db.put(['level1', 'level2'], '3', '3');
+    await withF([db.transaction()], async ([tran]) => {
+      await tran.clear(['level1']);
+    });
+    expect(await db.dump()).toStrictEqual({
+      '1': '1',
+    });
+  });
+  test('transactional count', async () => {
+    await db.put([], '1', '1');
+    await db.put([], '2', '2');
+    await db.put([], '3', '3');
+    await withF([db.transaction()], async ([tran]) => {
+      expect(await tran.count()).toBe(3);
+    });
+    await db.clear();
+    await db.put([], '1', '1');
+    await db.put(['level1'], '2', '2');
+    await db.put(['level1', 'level2'], '3', '3');
+    await withF([db.transaction()], async ([tran]) => {
+      expect(await tran.count(['level1'])).toBe(2);
+    });
+  });
+  test('no dirty reads', async () => {
+    await withF([db.transaction()], async ([tran1]) => {
+      expect(await tran1.get([], 'hello')).toBeUndefined();
+      await withF([db.transaction()], async ([tran2]) => {
+        await tran2.put([], 'hello', 'world');
+        // `tran2` has not yet committed
+        expect(await tran1.get([], 'hello')).toBeUndefined();
+      });
+    });
+    await db.clear();
+    await withF([db.transaction()], async ([tran1]) => {
+      expect(await tran1.get([], 'hello')).toBeUndefined();
+      await tran1.put([], 'hello', 'foo');
+      await withF([db.transaction()], async ([tran2]) => {
+        // `tran1` has not yet committed
+        expect(await tran2.get([], 'hello')).toBeUndefined();
+        await tran2.put([], 'hello', 'bar');
+        // `tran2` has not yet committed
+        expect(await tran1.get([], 'hello')).toBe('foo');
+      });
+    });
+  });
+  test('non-repeatable reads', async () => {
+    await withF([db.transaction()], async ([tran1]) => {
+      expect(await tran1.get([], 'hello')).toBeUndefined();
+      await withF([db.transaction()], async ([tran2]) => {
+        await tran2.put([], 'hello', 'world');
+      });
+      // `tran2` is now committed
+      expect(await tran1.get([], 'hello')).toBe('world');
+    });
+    await db.clear();
+    await withF([db.transaction()], async ([tran1]) => {
+      expect(await tran1.get([], 'hello')).toBeUndefined();
+      await tran1.put([], 'hello', 'foo');
+      await withF([db.transaction()], async ([tran2]) => {
+        // `tran1` has not yet committed
+        expect(await tran2.get([], 'hello')).toBeUndefined();
+        await tran2.put([], 'hello', 'bar');
+      });
+      // `tran2` is now committed
+      // however because `foo` has been written in tran1, it stays as `foo`
+      expect(await tran1.get([], 'hello')).toBe('foo');
+    });
+  });
+  test('phantom reads', async () => {
+    await db.put([], '1', '1');
+    await db.put([], '2', '2');
+    await db.put([], '3', '3');
+    let rows: Array<[string, string]>;
+    await withF([db.transaction()], async ([tran1]) => {
+      rows = [];
+      for await (const [k, v] of await tran1.iterator()) {
+        rows.push([k.toString(), JSON.parse(v.toString())]);
+      }
+      expect(rows).toStrictEqual([
+        ['1', '1'],
+        ['2', '2'],
+        ['3', '3'],
+      ]);
+      await withF([db.transaction()], async ([tran2]) => {
+        await tran2.del([], '1');
+        await tran2.put([], '4', '4');
+        rows = [];
+        for await (const [k, v] of await tran1.iterator()) {
+          rows.push([k.toString(), JSON.parse(v.toString())]);
+        }
+        expect(rows).toStrictEqual([
+          ['1', '1'],
+          ['2', '2'],
+          ['3', '3'],
+        ]);
+      });
+      rows = [];
+      for await (const [k, v] of await tran1.iterator()) {
+        rows.push([k.toString(), JSON.parse(v.toString())]);
+      }
+      expect(rows).toStrictEqual([
+        ['2', '2'],
+        ['3', '3'],
+        ['4', '4'],
+      ]);
+    });
+  });
+  test('lost updates', async () => {
+    await withF([db.transaction()], async ([tran1]) => {
+      await tran1.put([], 'hello', 'foo');
+      await withF([db.transaction()], async ([tran2]) => {
+        await tran2.put([], 'hello', 'bar');
+      });
+      expect(await tran1.get([], 'hello')).toBe('foo');
+    });
+    // `tran2` write is lost because `tran1` committed last
+    expect(await db.get([], 'hello')).toBe('foo');
+  });
+  test('iterator with same largest key', async () => {
+    /*
+      | KEYS | DB    | SNAPSHOT | RESULT |
+      |------|-------|----------|--------|
+      | a    | a = a | a = 1    | a = 1  |
+      | b    | b = b |          | b = b  |
+      | c    |       | c = 3    | c = 3  |
+      | d    | d = d |          | d = d  |
+      | e    | e = e | e = 5    | e = 5  |
+      | f    |       | f = 6    | f = 6  |
+      | g    |       |          |        |
+      | h    | h = h |          | h = h  |
+      | i    |       |          |        |
+      | j    |       | j = 10   | j = 10 |
+      | k    | k = k | k = 11   | k = 11 |
+    */
+    const results: Array<[string, string]> = [];
+    await db.put([], 'a', 'a');
+    await db.put([], 'b', 'b');
+    await db.put([], 'd', 'd');
+    await db.put([], 'e', 'e');
+    await db.put([], 'h', 'h');
+    await db.put([], 'k', 'k');
+    await withF([db.transaction()], async ([tran]) => {
+      await tran.put([], 'a', '1');
+      await tran.put([], 'c', '3');
+      await tran.put([], 'e', '5');
+      await tran.put([], 'f', '6');
+      await tran.put([], 'j', '10');
+      await tran.put([], 'k', '11');
+      const iterator = await tran.iterator();
+      for await (const [k, v] of iterator) {
+        results.push([k.toString(), JSON.parse(v.toString())]);
+      }
+    });
+    expect(results).toStrictEqual([
+      ['a', '1'],
+      ['b', 'b'],
+      ['c', '3'],
+      ['d', 'd'],
+      ['e', '5'],
+      ['f', '6'],
+      ['h', 'h'],
+      ['j', '10'],
+      ['k', '11'],
+    ]);
+  });
+  test('iterator with same largest key in reverse', async () => {
+    /*
+      | KEYS | DB    | SNAPSHOT | RESULT |
+      |------|-------|----------|--------|
+      | a    | a = a | a = 1    | a = 1  |
+      | b    | b = b |          | b = b  |
+      | c    |       | c = 3    | c = 3  |
+      | d    | d = d |          | d = d  |
+      | e    | e = e | e = 5    | e = 5  |
+      | f    |       | f = 6    | f = 6  |
+      | g    |       |          |        |
+      | h    | h = h |          | h = h  |
+      | i    |       |          |        |
+      | j    |       | j = 10   | j = 10 |
+      | k    | k = k | k = 11   | k = 11 |
+    */
+    const results: Array<[string, string]> = [];
+    await db.put([], 'a', 'a');
+    await db.put([], 'b', 'b');
+    await db.put([], 'd', 'd');
+    await db.put([], 'e', 'e');
+    await db.put([], 'h', 'h');
+    await db.put([], 'k', 'k');
+    await withF([db.transaction()], async ([tran]) => {
+      await tran.put([], 'a', '1');
+      await tran.put([], 'c', '3');
+      await tran.put([], 'e', '5');
+      await tran.put([], 'f', '6');
+      await tran.put([], 'j', '10');
+      await tran.put([], 'k', '11');
+      const iterator = await tran.iterator({ reverse: true });
+      for await (const [k, v] of iterator) {
+        results.push([k.toString(), JSON.parse(v.toString())]);
+      }
+    });
+    expect(results).toStrictEqual(
+      [
+        ['a', '1'],
+        ['b', 'b'],
+        ['c', '3'],
+        ['d', 'd'],
+        ['e', '5'],
+        ['f', '6'],
+        ['h', 'h'],
+        ['j', '10'],
+        ['k', '11'],
+      ].reverse(),
+    );
+  });
+  test('iterator with snapshot largest key', async () => {
+    /*
+      | KEYS | DB    | SNAPSHOT | RESULT |
+      |------|-------|----------|--------|
+      | a    | a = a | a = 1    | a = 1  |
+      | b    | b = b |          | b = b  |
+      | c    |       | c = 3    | c = 3  |
+      | d    | d = d |          | d = d  |
+      | e    | e = e | e = 5    | e = 5  |
+      | f    |       | f = 6    | f = 6  |
+      | g    |       |          |        |
+      | h    | h = h |          | h = h  |
+      | i    |       |          |        |
+      | j    |       | j = 10   | j = 10 |
+    */
+    const results: Array<[string, string]> = [];
+    await db.put([], 'a', 'a');
+    await db.put([], 'b', 'b');
+    await db.put([], 'd', 'd');
+    await db.put([], 'e', 'e');
+    await db.put([], 'h', 'h');
+    await withF([db.transaction()], async ([tran]) => {
+      await tran.put([], 'a', '1');
+      await tran.put([], 'c', '3');
+      await tran.put([], 'e', '5');
+      await tran.put([], 'f', '6');
+      await tran.put([], 'j', '10');
+      const iterator = await tran.iterator();
+      for await (const [k, v] of iterator) {
+        results.push([k.toString(), JSON.parse(v.toString())]);
+      }
+    });
+    expect(results).toStrictEqual([
+      ['a', '1'],
+      ['b', 'b'],
+      ['c', '3'],
+      ['d', 'd'],
+      ['e', '5'],
+      ['f', '6'],
+      ['h', 'h'],
+      ['j', '10'],
+    ]);
+  });
+  test('iterator with snapshot largest key in reverse', async () => {
+    /*
+      | KEYS | DB    | SNAPSHOT | RESULT |
+      |------|-------|----------|--------|
+      | a    | a = a | a = 1    | a = 1  |
+      | b    | b = b |          | b = b  |
+      | c    |       | c = 3    | c = 3  |
+      | d    | d = d |          | d = d  |
+      | e    | e = e | e = 5    | e = 5  |
+      | f    |       | f = 6    | f = 6  |
+      | g    |       |          |        |
+      | h    | h = h |          | h = h  |
+      | i    |       |          |        |
+      | j    |       | j = 10   | j = 10 |
+    */
+    const results: Array<[string, string]> = [];
+    await db.put([], 'a', 'a');
+    await db.put([], 'b', 'b');
+    await db.put([], 'd', 'd');
+    await db.put([], 'e', 'e');
+    await db.put([], 'h', 'h');
+    await withF([db.transaction()], async ([tran]) => {
+      await tran.put([], 'a', '1');
+      await tran.put([], 'c', '3');
+      await tran.put([], 'e', '5');
+      await tran.put([], 'f', '6');
+      await tran.put([], 'j', '10');
+      const iterator = await tran.iterator({ reverse: true });
+      for await (const [k, v] of iterator) {
+        results.push([k.toString(), JSON.parse(v.toString())]);
+      }
+    });
+    expect(results).toStrictEqual(
+      [
+        ['a', '1'],
+        ['b', 'b'],
+        ['c', '3'],
+        ['d', 'd'],
+        ['e', '5'],
+        ['f', '6'],
+        ['h', 'h'],
+        ['j', '10'],
+      ].reverse(),
+    );
+  });
+  test('iterator with db largest key', async () => {
+    /*
+      | KEYS | DB    | SNAPSHOT | RESULT |
+      |------|-------|----------|--------|
+      | a    | a = a | a = 1    | a = 1  |
+      | b    | b = b |          | b = b  |
+      | c    |       | c = 3    | c = 3  |
+      | d    | d = d |          | d = d  |
+      | e    | e = e | e = 5    | e = 5  |
+      | f    |       | f = 6    | f = 6  |
+      | g    |       |          |        |
+      | h    | h = h |          | h = h  |
+    */
+    const results: Array<[string, string]> = [];
+    await db.put([], 'a', 'a');
+    await db.put([], 'b', 'b');
+    await db.put([], 'd', 'd');
+    await db.put([], 'e', 'e');
+    await db.put([], 'h', 'h');
+    await withF([db.transaction()], async ([tran]) => {
+      await tran.put([], 'a', '1');
+      await tran.put([], 'c', '3');
+      await tran.put([], 'e', '5');
+      await tran.put([], 'f', '6');
+      const iterator = await tran.iterator();
+      for await (const [k, v] of iterator) {
+        results.push([k.toString(), JSON.parse(v.toString())]);
+      }
+    });
+    expect(results).toStrictEqual([
+      ['a', '1'],
+      ['b', 'b'],
+      ['c', '3'],
+      ['d', 'd'],
+      ['e', '5'],
+      ['f', '6'],
+      ['h', 'h'],
+    ]);
+  });
+  test('iterator with db largest key in reverse', async () => {
+    /*
+      | KEYS | DB    | SNAPSHOT | RESULT |
+      |------|-------|----------|--------|
+      | a    | a = a | a = 1    | a = 1  |
+      | b    | b = b |          | b = b  |
+      | c    |       | c = 3    | c = 3  |
+      | d    | d = d |          | d = d  |
+      | e    | e = e | e = 5    | e = 5  |
+      | f    |       | f = 6    | f = 6  |
+      | g    |       |          |        |
+      | h    | h = h |          | h = h  |
+    */
+    const results: Array<[string, string]> = [];
+    await db.put([], 'a', 'a');
+    await db.put([], 'b', 'b');
+    await db.put([], 'd', 'd');
+    await db.put([], 'e', 'e');
+    await db.put([], 'h', 'h');
+    await withF([db.transaction()], async ([tran]) => {
+      await tran.put([], 'a', '1');
+      await tran.put([], 'c', '3');
+      await tran.put([], 'e', '5');
+      await tran.put([], 'f', '6');
+      const iterator = await tran.iterator({ reverse: true });
+      for await (const [k, v] of iterator) {
+        results.push([k.toString(), JSON.parse(v.toString())]);
+      }
+    });
+    expect(results).toStrictEqual(
+      [
+        ['a', '1'],
+        ['b', 'b'],
+        ['c', '3'],
+        ['d', 'd'],
+        ['e', '5'],
+        ['f', '6'],
+        ['h', 'h'],
+      ].reverse(),
+    );
+  });
+  test('iterator with undefined values', async () => {
+    /*
+      | KEYS | DB    | SNAPSHOT | RESULT |
+      |------|-------|----------|--------|
+      | a    | a = a | a = 1    | a = 1  |
+      | b    | b = b |          | b = b  |
+      | c    |       | c = 3    | c = 3  |
+      | d    | d = d |          | d = d  |
+      | e    | e = e | e = 5    | e = 5  |
+      | f    |       | f = 6    | f = 6  |
+      | g    |       |          |        |
+      | h    | h = h |          | h = h  |
+      | i    |       |          |        |
+      | j    |       | j = 10   | j = 10 |
+      | k    | k = k | k = 11   | k = 11 |
+    */
+    const results: Array<[string, undefined]> = [];
+    await db.put([], 'a', 'a');
+    await db.put([], 'b', 'b');
+    await db.put([], 'd', 'd');
+    await db.put([], 'e', 'e');
+    await db.put([], 'h', 'h');
+    await db.put([], 'k', 'k');
+    await withF([db.transaction()], async ([tran]) => {
+      await tran.put([], 'a', '1');
+      await tran.put([], 'c', '3');
+      await tran.put([], 'e', '5');
+      await tran.put([], 'f', '6');
+      await tran.put([], 'j', '10');
+      await tran.put([], 'k', '11');
+      const iterator = await tran.iterator({ values: false });
+      for await (const [k, v] of iterator) {
+        results.push([k.toString(), v]);
+      }
+    });
+    expect(results).toStrictEqual([
+      ['a', undefined],
+      ['b', undefined],
+      ['c', undefined],
+      ['d', undefined],
+      ['e', undefined],
+      ['f', undefined],
+      ['h', undefined],
+      ['j', undefined],
+      ['k', undefined],
+    ]);
+  });
+  test('iterator using seek and next', async () => {
+    /*
+      | KEYS | DB    | SNAPSHOT | RESULT |
+      |------|-------|----------|--------|
+      | a    | a = a | a = 1    | a = 1  |
+      | b    | b = b |          | b = b  |
+      | c    |       | c = 3    | c = 3  |
+      | d    | d = d |          | d = d  |
+      | e    | e = e | e = 5    | e = 5  |
+      | f    |       | f = 6    | f = 6  |
+      | g    |       |          |        |
+      | h    | h = h |          | h = h  |
+      | i    |       |          |        |
+      | j    |       | j = 10   | j = 10 |
+      | k    | k = k | k = 11   | k = 11 |
+    */
+    await db.put([], 'a', 'a');
+    await db.put([], 'b', 'b');
+    await db.put([], 'd', 'd');
+    await db.put([], 'e', 'e');
+    await db.put([], 'h', 'h');
+    await db.put([], 'k', 'k');
+    await withF([db.transaction()], async ([tran]) => {
+      await tran.put([], 'a', '1');
+      await tran.put([], 'c', '3');
+      await tran.put([], 'e', '5');
+      await tran.put([], 'f', '6');
+      await tran.put([], 'j', '10');
+      await tran.put([], 'k', '11');
+      const iterator = await tran.iterator();
+      iterator.seek('a');
+      expect(await iterator.next()).toStrictEqual([
+        Buffer.from('a'),
+        Buffer.from('"1"'),
+      ]);
+      iterator.seek('a');
+      expect(await iterator.next()).toStrictEqual([
+        Buffer.from('a'),
+        Buffer.from('"1"'),
+      ]);
+      expect(await iterator.next()).toStrictEqual([
+        Buffer.from('b'),
+        Buffer.from('"b"'),
+      ]);
+      iterator.seek('g');
+      expect(await iterator.next()).toStrictEqual([
+        Buffer.from('h'),
+        Buffer.from('"h"'),
+      ]);
+      iterator.seek('h');
+      expect(await iterator.next()).toStrictEqual([
+        Buffer.from('h'),
+        Buffer.from('"h"'),
+      ]);
+      expect(await iterator.next()).toStrictEqual([
+        Buffer.from('j'),
+        Buffer.from('"10"'),
+      ]);
+      await iterator.end();
+    });
+  });
+  test('queue success hooks', async () => {
+    const results: Array<number> = [];
+    const mockSuccess1 = jest.fn(() => {
+      results.push(1);
+    });
+    const mockSuccess2 = jest.fn(() => {
+      results.push(2);
+    });
+    const mockFailure = jest.fn();
+    await withF([db.transaction()], async ([tran]) => {
+      tran.queueSuccess(mockSuccess1);
+      tran.queueSuccess(mockSuccess2);
+      tran.queueFailure(mockFailure);
+    });
+    expect(mockSuccess1).toBeCalled();
+    expect(mockSuccess2).toBeCalled();
+    expect(mockFailure).not.toBeCalled();
+    expect(results).toStrictEqual([1, 2]);
+  });
+  test('queue failure hooks', async () => {
+    const results: Array<number> = [];
+    const mockSuccess = jest.fn();
+    const mockFailure1 = jest.fn(() => {
+      results.push(1);
+    });
+    const mockFailure2 = jest.fn(() => {
+      results.push(2);
+    });
+    await expect(
+      withF([db.transaction()], async ([tran]) => {
+        tran.queueSuccess(mockSuccess);
+        tran.queueFailure(mockFailure1);
+        tran.queueFailure(mockFailure2);
+        throw new Error('Something bad happened');
+      }),
+    ).rejects.toThrow('Something bad happened');
+    expect(mockSuccess).not.toBeCalled();
+    expect(mockFailure1).toBeCalled();
+    expect(mockFailure2).toBeCalled();
+    expect(results).toStrictEqual([1, 2]);
+  });
+  test('rollback on error', async () => {
+    await db.put([], '1', 'a');
+    await db.put([], '2', 'b');
+    const mockFailure = jest.fn();
+    await expect(
+      withF([db.transaction()], async ([tran]) => {
+        await tran.put([], '1', '1');
+        await tran.put([], '2', '2');
+        tran.queueFailure(mockFailure);
+        throw new Error('Oh no!');
+      }),
+    ).rejects.toThrow('Oh no!');
+    expect(mockFailure).toBeCalled();
+    expect(await db.get([], '1')).toBe('a');
+    expect(await db.get([], '2')).toBe('b');
+  });
+});