latest changes

alwayson-pause-resume-synchronization.sql

@@ -25,6 +25,7 @@ Primary database:	The primary database stops data movement to every connected se
 SELECT  database_name
        ,'ALTER DATABASE ' + database_name + ' SET HADR SUSPEND;' AS PauseStmt
        ,'ALTER DATABASE ' + database_name + ' SET HADR RESUME;'  AS ResumeStmt
-FROM    sys.availability_databases_cluster;
+FROM    sys.availability_databases_cluster
+ORDER BY database_name;
 GO
 

database-get-log-file-VLF-count.sql

@@ -1,43 +1,18 @@
-IF EXISTS (
-	SELECT	1 
-	FROM	tempdb.sys.objects
-	WHERE	[type] = 'U'
-	AND		[object_id] = OBJECT_ID(N'tempdb..#LogInfo')
-)
-	DROP TABLE #LogInfo;
-
-DECLARE @l_sql NVARCHAR(4000);
+/*
+Important change to VLF creation algorithm in SQL Server 2014
+https://www.sqlskills.com/blogs/paul/important-change-vlf-creation-algorithm-sql-server-2014/
+*/
 
-CREATE TABLE #LogInfo (
-	DatabaseName NVARCHAR(128) DEFAULT DB_NAME()
-	, RecoveryUnitId INT
-	, FileId INT
-	, FileSize BIGINT
-	, StartOffset BIGINT
-	, FSeqNo INT
-	, [Status] TINYINT
-	, Parity TINYINT
-	, CreateLSN NUMERIC(25,0)
-);
+SELECT	[name] AS 'Database Name'
+		,COUNT(l.database_id) AS 'VLF Count'
+		,SUM(vlf_size_mb) AS 'VLF Size (MB)'
+		,SUM(CAST(vlf_active AS INT)) AS 'Active VLF'
+		,SUM(vlf_active*vlf_size_mb) AS 'Active VLF Size (MB)'
+		,COUNT(l.database_id)-SUM(CAST(vlf_active AS INT)) AS 'In-active VLF'
+		,SUM(vlf_size_mb)-SUM(vlf_active*vlf_size_mb) AS 'In-active VLF Size (MB)'
+FROM	sys.databases s
+		CROSS APPLY sys.dm_db_log_info(s.database_id) l
+GROUP BY [name]
+ORDER BY [name];
+GO
 
-SET @l_sql = 
-'USE [?];
-INSERT INTO #LogInfo (
-	RecoveryUnitId
-	, FileId
-	, FileSize
-	, StartOffset
-	, FSeqNo
-	, Status
-	, Parity
-	, CreateLSN
-)
-EXEC(''DBCC LOGINFO'')';
-
-EXEC sp_msforeachdb @l_sql;
-
-SELECT	DBName = DatabaseName
-		, VLFs = COUNT(FileId)
-FROM	#LogInfo
-GROUP BY DatabaseName
-ORDER BY DatabaseName;

database-refresh-views.sql

@@ -0,0 +1,15 @@
+DECLARE @l_sql NVARCHAR(4000);
+
+SET @l_sql =
+'USE [?];'
++ '
+SELECT ''USE '' + DB_NAME() + '';'';
+SELECT ''GO''
+SELECT DISTINCT ''EXEC sp_refreshview '' + schema_name(so.schema_id) + ''.'' + name + '';
+GO''   
+FROM sys.objects AS so   
+INNER JOIN sys.sql_expression_dependencies AS sed   
+    ON so.object_id = sed.referencing_id   
+WHERE so.type = ''V''';
+
+EXEC sp_msforeachdb @l_sql;

postgresql-get-role-permissions.sql

@@ -0,0 +1,23 @@
+-- get table permissions
+SELECT grantee, privilege_type 
+FROM information_schema.role_table_grants 
+WHERE table_name='table_name'
+
+-- get table permissions for a role
+SELECT grantor, grantee, table_schema, table_name, privilege_type
+FROM information_schema.table_privileges
+WHERE grantee = 'readonly'
+ORDER BY table_name
+
+SELECT grantee AS user, CONCAT(table_schema, '.', table_name) AS table, 
+    CASE 
+        WHEN COUNT(privilege_type) = 7 THEN 'ALL'
+        ELSE ARRAY_TO_STRING(ARRAY_AGG(privilege_type), ', ')
+    END AS grants
+FROM information_schema.role_table_grants
+WHERE grantee = 'readonly'
+GROUP BY table_name, table_schema, grantee
+ORDER BY table_name;
+
+-- grant SELECT permissions on tables in the public schema to a role
+GRANT SELECT ON ALL TABLES IN SCHEMA public TO readonly;

server-get-max-memory-grant.sql

@@ -0,0 +1,14 @@
+USE master;  
+
+--SELECT * FROM sys.resource_governor_external_resource_pools;
+SELECT * FROM sys.resource_governor_resource_pools;  
+SELECT * FROM sys.resource_governor_workload_groups;  
+
+-- MAX Memory Grant calc: (Maximum SQL Server memory * 90%) * 20%
+-- RG Memory Grant calc: (Maximum SQL Server memory * 90%) * 20% * sys.resource_governor_resource_pools.max_memory_percent
+SELECT  CAST(value_in_use AS INT) AS MaxMemory_MB
+		,TRY_CONVERT(INT,(CAST(value_in_use AS INT) * .9) * .2) AS MaxGrant_MB
+		,TRY_CONVERT(INT,(CAST(value_in_use AS INT) * .9) * .2 * .5) AS ResourceGov_MB
+FROM    sys.configurations
+WHERE   name = 'Max Server Memory (MB)';
+