diff --git a/.DS_Store b/.DS_Store
index 947f80e..d6cc7ab 100644
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diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..c3f502a
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,8 @@
+# 디폴트 무시된 파일
+/shelf/
+/workspace.xml
+# 에디터 기반 HTTP 클라이언트 요청
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/.idea/checkstyle-idea.xml b/.idea/checkstyle-idea.xml
new file mode 100644
index 0000000..4c0e7f0
--- /dev/null
+++ b/.idea/checkstyle-idea.xml
@@ -0,0 +1,15 @@
+
+
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+ 10.12.3
+ JavaOnly
+
+
+
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+
\ No newline at end of file
diff --git a/.idea/etc.iml b/.idea/etc.iml
new file mode 100644
index 0000000..2a6db2d
--- /dev/null
+++ b/.idea/etc.iml
@@ -0,0 +1,12 @@
+
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\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..639900d
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,6 @@
+
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+
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..965741b
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+
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\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+
+
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+
\ No newline at end of file
diff --git a/google_checks.xml b/google_checks.xml
new file mode 100644
index 0000000..e068cf1
--- /dev/null
+++ b/google_checks.xml
@@ -0,0 +1,382 @@
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diff --git a/sql/.DS_Store b/sql/.DS_Store
index f1c6b9f..5814551 100644
Binary files a/sql/.DS_Store and b/sql/.DS_Store differ