commit latest

database-get-checkdb-history.sql

@@ -0,0 +1,19 @@
+DECLARE @default_trace_path VARCHAR(500)
+        ,@tracefilename VARCHAR(500)
+        ,@indx INT;
+
+SET @default_trace_path = (SELECT path FROM sys.traces WHERE is_default = 1);
+SET @default_trace_path = REVERSE(@default_trace_path);
+SELECT @indx  = PATINDEX('%\%', @default_trace_path);
+SET @default_trace_path = REVERSE(@default_trace_path);
+SET @tracefilename = LEFT( @default_trace_path,LEN(@default_trace_path) - @indx) + '\log.trc';
+
+SELECT	SUBSTRING(CONVERT(NVARCHAR(MAX),TEXTData),36, PATINDEX('%executed%',TEXTData)-36) [Command]
+		,LoginName
+		,StartTime
+		,CONVERT(INT,SUBSTRING(CONVERT(NVARCHAR(MAX),TEXTData),PATINDEX('%found%',TEXTData)+6,PATINDEX('%errors %',TEXTData)-PATINDEX('%found%',TEXTData)-6)) [Errors], CONVERT(INT,SUBSTRING(CONVERT(NVARCHAR(MAX),TEXTData),PATINDEX('%repaired%',TEXTData)+9,PATINDEX('%errors.%',TEXTData)-PATINDEX('%repaired%',TEXTData)-9)) [Repaired]
+		,SUBSTRING(CONVERT(NVARCHAR(MAX),TEXTData),PATINDEX('%time:%',TEXTData)+6,PATINDEX('%hours%',TEXTData)-PATINDEX('%time:%',TEXTData)-6)+':'+SUBSTRING(CONVERT (NVARCHAR(MAX),TEXTData),PATINDEX('%hours%',TEXTData)+6,PATINDEX('%minutes%',TEXTData)-PATINDEX('%hours%',TEXTData)-6)+':'+SUBSTRING(CONVERT(NVARCHAR (MAX),TEXTData),PATINDEX('%minutes%',TEXTData)+8,PATINDEX('%seconds.%',TEXTData)-PATINDEX('%minutes%',TEXTData)-8) [Duration]
+FROM	::fn_trace_gettable( @tracefilename, DEFAULT) 
+WHERE	EventClass = 22 
+AND		SUBSTRING(TEXTData,36,12) = 'DBCC CHECKDB'
+ORDER BY StartTime DESC;

dynamic-pivot-query-example.sql

@@ -0,0 +1,24 @@
+DECLARE @DynamicPivotQuery AS NVARCHAR(MAX)
+		,@ColumnName AS NVARCHAR(MAX);
+
+DROP TABLE IF EXISTS #CourseSales;
+CREATE TABLE #CourseSales (Course VARCHAR(50), Year INT, Earning INT);
+INSERT #CourseSales VALUES
+('course_a',2020, 1), ('course_a',2021,2)
+, ('course_b',2019,1), ('course_b',2020,2),('course_b',2021,3)
+, ('course_c',2018,1), ('course_c',2019,2), ('course_c',2020,3),('course_c',2021,4)
+, ('other',2019,2), ('other',2020,4), ('other',2021,6);
+
+--Get distinct values of the PIVOT Column(s) 
+SELECT @ColumnName= ISNULL(@ColumnName + ',','') + QUOTENAME(Course)
+FROM (SELECT DISTINCT Course FROM #CourseSales) AS Courses;
+
+--Prepare the PIVOT query using the dynamic value(s)
+SET @DynamicPivotQuery = 
+  N'SELECT Year, ' + @ColumnName + '
+    FROM #CourseSales
+    PIVOT(SUM(Earning) 
+          FOR Course IN (' + @ColumnName + ')) AS PVTTable';
+
+--Execute the Dynamic Pivot Query
+EXEC sp_executesql @DynamicPivotQuery;

error-log-find-size-and-location.sql

@@ -0,0 +1,19 @@
+DECLARE @logfiles TABLE (
+	[FileArchive] TINYINT,
+	[Date] DATETIME,
+	[LogFileSizeB] BIGINT
+);
+
+INSERT @logfiles
+EXEC xp_enumerrorlogs;
+
+SELECT	[FileArchive]
+		,[Date]
+		,CONVERT(VARCHAR(50),CAST(SUM(CAST([LogFileSizeB] AS FLOAT)) / 1024 / 1024 AS DECIMAL(10,4))) + ' MB' SizeMB
+FROM	@logfiles
+GROUP BY [FileArchive]
+		,[Date]
+		,[LogFileSizeB];
+
+-- to identify error log file location
+SELECT SERVERPROPERTY('ErrorLogFileName') [Error_Log_Location];

index-get-detail-by-table.sql

@@ -2,7 +2,7 @@ SET NOCOUNT ON;
 
 DECLARE @DBId                INT          = DB_ID()
        ,@SchemaName          sysname
-       ,@TblName             sysname      = N'TblName'
+       ,@TblName             sysname      = N'dbo.factloanresponseattribute'
        ,@TblId               INT
        ,@MinFragmentation    REAL         = 5.0 -- Defaulted to 5% as recommended by MS in BOL
        ,@MinPageCount        INT          = 1000 -- Defaulted to 1000 pages as recommended by MS in BOL
@@ -68,68 +68,68 @@ ORDER BY i.index_id
 OPTION (MAXDOP 2);
 /****** INDEX CATALOG BLOCK END ******/
 
-/****** INDEX SIZE BLOCK START ******/
-DECLARE @tmp_compression TABLE (
-    object_name                                    NVARCHAR(128)
-   ,schema_name                                    NVARCHAR(128)
-   ,index_id                                       INT          PRIMARY KEY CLUSTERED
-   ,partition_number                               INT
-   ,size_with_current_compression_setting          BIGINT
-   ,size_with_requested_compression_setting        BIGINT
-   ,sample_size_with_current_compression_setting   BIGINT
-   ,sample_size_with_requested_compression_setting BIGINT
-);
+--/****** INDEX SIZE BLOCK START ******/
+--DECLARE @tmp_compression TABLE (
+--    object_name                                    NVARCHAR(128)
+--   ,schema_name                                    NVARCHAR(128)
+--   ,index_id                                       INT          PRIMARY KEY CLUSTERED
+--   ,partition_number                               INT
+--   ,size_with_current_compression_setting          BIGINT
+--   ,size_with_requested_compression_setting        BIGINT
+--   ,sample_size_with_current_compression_setting   BIGINT
+--   ,sample_size_with_requested_compression_setting BIGINT
+--);
 
-IF @EstimateCompression = 1
-    INSERT INTO @tmp_compression (
-        object_name
-		,schema_name
-		,index_id
-		,partition_number
-		,size_with_current_compression_setting
-		,size_with_requested_compression_setting
-		,sample_size_with_current_compression_setting
-		,sample_size_with_requested_compression_setting
-    )
-    EXEC sys.sp_estimate_data_compression_savings
-		@schema_name = @SchemaName
-		,@object_name = @TblName
-		,@index_id = NULL
-		,@partition_number = NULL
-		,@data_compression = @CompressionType;
+--IF @EstimateCompression = 1
+--    INSERT INTO @tmp_compression (
+--        object_name
+--		,schema_name
+--		,index_id
+--		,partition_number
+--		,size_with_current_compression_setting
+--		,size_with_requested_compression_setting
+--		,sample_size_with_current_compression_setting
+--		,sample_size_with_requested_compression_setting
+--    )
+--    EXEC sys.sp_estimate_data_compression_savings
+--		@schema_name = @SchemaName
+--		,@object_name = @TblName
+--		,@index_id = NULL
+--		,@partition_number = NULL
+--		,@data_compression = @CompressionType;
 
-SELECT  'SIZE:' AS Info;
-SELECT  '[' + DB_NAME() + '].[' + OBJECT_SCHEMA_NAME(@TblId, @DBId) + '].[' + OBJECT_NAME(@TblId, @DBId) + ']' AS Object
-       ,i.name                                                                                                 AS [Index]
-       ,i.type_desc                                                                                            AS [Index Type]
-	   ,ps.alloc_unit_type_desc                                                                                AS [Allocation Type]
-       ,CONVERT(NUMERIC(9, 2), ps.page_count * 8 * /*convert to MB*/ 0.000976562)                              AS [Index Size (MB)]
-       ,ps.page_count                                                                                          AS Pages
-       ,CONVERT(NUMERIC(5, 2), ps.avg_page_space_used_in_percent)                                              AS [Avg Page Space Used (%)]
-       ,ps.record_count                                                                                        AS Records
-       ,ps.avg_record_size_in_bytes                                                                            AS [Avg Record Size (bytes)]
-       ,ps.compressed_page_count                                                                               AS [Compressed Pages]
-       ,CONVERT(NUMERIC(5, 2), tmp.size_with_requested_compression_setting * /*convert to MB*/ 0.000976562)    AS [Est Compressed Size (MB)]
-       ,'ALTER INDEX [' + i.name + +'] ON ' + '[' + OBJECT_SCHEMA_NAME(@TblId, @DBId) + '].['
-        + OBJECT_NAME(@TblId, @DBId) + ']' + ' REBUILD WITH ( FILLFACTOR = '
-        + CONVERT(   CHAR(3), CASE WHEN i.fill_factor = 0 THEN 100
-                                   ELSE i.fill_factor
-                              END
-                 ) + ', ONLINE=ON, SORT_IN_TEMPDB=ON );' + ' UPDATE STATISTICS [' + OBJECT_SCHEMA_NAME(@TblId, @DBId)
-        + '].[' + OBJECT_NAME(@TblId, @DBId) + '] [' + i.name + +'];'                                          AS [Rebuild Script]
-FROM    sys.dm_db_index_physical_stats(@DBId, @TblId, NULL, NULL, 'SAMPLED') AS ps
-        INNER JOIN sys.indexes                                               i
-            ON  ps.object_id = i.object_id
-            AND ps.index_id = i.index_id
-        LEFT OUTER JOIN @tmp_compression                                     tmp
-            ON i.index_id = tmp.index_id
-WHERE   i.object_id = @TblId
-AND     i.is_disabled = 0
-AND     i.is_hypothetical = 0
-ORDER BY i.index_id
-        ,i.name
-OPTION (MAXDOP 2);
-/****** INDEX SIZE BLOCK END ******/
+--SELECT  'SIZE:' AS Info;
+--SELECT  '[' + DB_NAME() + '].[' + OBJECT_SCHEMA_NAME(@TblId, @DBId) + '].[' + OBJECT_NAME(@TblId, @DBId) + ']' AS Object
+--       ,i.name                                                                                                 AS [Index]
+--       ,i.type_desc                                                                                            AS [Index Type]
+--	   ,ps.alloc_unit_type_desc                                                                                AS [Allocation Type]
+--       ,CONVERT(NUMERIC(9, 2), ps.page_count * 8 * /*convert to MB*/ 0.000976562)                              AS [Index Size (MB)]
+--       ,ps.page_count                                                                                          AS Pages
+--       ,CONVERT(NUMERIC(5, 2), ps.avg_page_space_used_in_percent)                                              AS [Avg Page Space Used (%)]
+--       ,ps.record_count                                                                                        AS Records
+--       ,ps.avg_record_size_in_bytes                                                                            AS [Avg Record Size (bytes)]
+--       ,ps.compressed_page_count                                                                               AS [Compressed Pages]
+--       ,CONVERT(NUMERIC(5, 2), tmp.size_with_requested_compression_setting * /*convert to MB*/ 0.000976562)    AS [Est Compressed Size (MB)]
+--       ,'ALTER INDEX [' + i.name + +'] ON ' + '[' + OBJECT_SCHEMA_NAME(@TblId, @DBId) + '].['
+--        + OBJECT_NAME(@TblId, @DBId) + ']' + ' REBUILD WITH ( FILLFACTOR = '
+--        + CONVERT(   CHAR(3), CASE WHEN i.fill_factor = 0 THEN 100
+--                                   ELSE i.fill_factor
+--                              END
+--                 ) + ', ONLINE=ON, SORT_IN_TEMPDB=ON );' + ' UPDATE STATISTICS [' + OBJECT_SCHEMA_NAME(@TblId, @DBId)
+--        + '].[' + OBJECT_NAME(@TblId, @DBId) + '] [' + i.name + +'];'                                          AS [Rebuild Script]
+--FROM    sys.dm_db_index_physical_stats(@DBId, @TblId, NULL, NULL, 'SAMPLED') AS ps
+--        INNER JOIN sys.indexes                                               i
+--            ON  ps.object_id = i.object_id
+--            AND ps.index_id = i.index_id
+--        LEFT OUTER JOIN @tmp_compression                                     tmp
+--            ON i.index_id = tmp.index_id
+--WHERE   i.object_id = @TblId
+--AND     i.is_disabled = 0
+--AND     i.is_hypothetical = 0
+--ORDER BY i.index_id
+--        ,i.name
+--OPTION (MAXDOP 2);
+--/****** INDEX SIZE BLOCK END ******/
 
 /****** POSSIBLE MISSING INDEXES BLOCK START ******/
 SELECT  'POSSIBLE MISSING (since last restart):' AS Info;

mysql-procedure-template.sql

@@ -0,0 +1,11 @@
+USE <target-schema>;
+
+DELIMITER //
+
+CREATE PROCEDURE <procedure-name> ()
+BEGIN
+	SELECT	<column-list>
+    FROM	<table>;
+END //
+
+DELIMITER ;

mysql-trigger-template.sql

@@ -0,0 +1,14 @@
+USE <target-schema>;
+
+DELIMITER //
+
+CREATE TRIGGER <trigger-name>
+AFTER INSERT
+ON <table> FOR EACH ROW
+BEGIN
+	UPDATE	<table>
+    SET		<column> = <some-value>
+    WHERE	<id-column> = NEW.<id-column>
+END;
+
+DELIMITER ;

plan-cache-find-longest-running-queries.sql

@@ -1,5 +1,5 @@
 /* Execution plan cache */
-SELECT	TOP (10)
+SELECT	TOP (1000)
 		sqltext.text AS query
 		,querystats.execution_count
 		,querystats.max_elapsed_time
@@ -13,4 +13,8 @@ FROM	sys.dm_exec_query_stats as querystats
 		CROSS APPLY sys.dm_exec_sql_text(querystats.sql_handle) AS sqltext 
 ORDER BY querystats.max_elapsed_time DESC
 OPTION (RECOMPILE);
-GO
+GO
+
+select * from sys.dm_exec_query_stats
+where query_hash =  0x98714BE4E5BE6716
+or query_plan_hash = 0x98714BE4E5BE6716

security-change-sql-login-password.sql

@@ -0,0 +1,4 @@
+ALTER LOGIN [user] WITH 
+     PASSWORD = 'NewPassword' 
+     OLD_PASSWORD = 'OldPassword';
+GO

security-get-sql-server-password-age.sql

@@ -0,0 +1,5 @@
+-- Show all logins where the password is over 60 days old
+SELECT	name
+		,LOGINPROPERTY([name], 'PasswordLastSetTime') AS 'PasswordChanged'
+FROM	sys.sql_logins
+WHERE	LOGINPROPERTY([name], 'PasswordLastSetTime') < DATEADD(dd, -60, GETDATE());

security-migrate-server_principals.sql

@@ -1,14 +1,16 @@
 
 -- Windows logins and groups
-SELECT  N'CREATE LOGIN [' + sp.name + '] FROM WINDOWS;' AS [-- Windows Logins to be Created --]
+SELECT  sp.name, 'IF NOT EXISTS (SELECT 1 FROM master.sys.server_principals WHERE name = ''' + sp.name + ''') BEGIN CREATE LOGIN [' + sp.name + '] FROM WINDOWS; END;' AS [-- Windows Logins to be Created --]
 FROM    master.sys.server_principals AS sp
 WHERE   sp.type IN ('U', 'G')
 AND     sp.is_disabled = 0
 AND     sp.name NOT LIKE 'NT [AS]%\%'
 ORDER BY sp.name;
 
 -- SQL Server logins
-SELECT  N'CREATE LOGIN [' + sp.name + ']'
+SELECT  sp.name
+		,'IF SUSER_ID(''' + sp.name + ''') IS NULL BEGIN'
+		+ ' ' + 'CREATE LOGIN [' + sp.name + ']'
 		+ ' ' + 'WITH PASSWORD=0x' + CONVERT(NVARCHAR(MAX), l.password_hash, 2) + N' HASHED'
 		+ ' ' + ', CHECK_POLICY='
 			+ CASE l.is_policy_checked
@@ -22,7 +24,7 @@ SELECT  N'CREATE LOGIN [' + sp.name + ']'
 			END
 		+ ' ' + ',  DEFAULT_DATABASE=[' + l.default_database_name + N']'
 		+ ' ' + ', SID=0x' + CONVERT(NVARCHAR(MAX), sp.sid, 2)
-		+ N';' AS [-- SQL Server Logins to be Created --]
+		+ N'; END;' AS [-- SQL Server Logins to be Created --]
 FROM    master.sys.server_principals AS sp
         INNER JOIN master.sys.sql_logins AS l
             ON sp.sid = l.sid
@@ -37,14 +39,17 @@ WHERE   sp.principal_id >= 100
 AND     sp.type = 'R';
 
 -- Server Role permissions
-SELECT	'ALTER SERVER ROLE [' + sr.name + '] ADD MEMBER [' + sp.name + '];' AS [-- Server Roles to be Granted --]
+SELECT	sr.name AS role_name
+		,sp.name AS login_name
+		,'ALTER SERVER ROLE [' + sr.name + '] ADD MEMBER [' + sp.name + '];' AS [-- Server Roles to be Granted --]
 FROM	master.sys.server_role_members rm
 		JOIN master.sys.server_principals sr ON sr.principal_id = rm.role_principal_id
 		JOIN master.sys.server_principals sp ON sp.principal_id = rm.member_principal_id
 WHERE	sp.type IN ( 'S', 'U', 'G' )
 AND     sp.is_disabled = 0
 AND     sp.name NOT LIKE 'NT [AS]%\%'
-AND		sp.name <> 'sa';
+AND		sp.name <> 'sa'
+ORDER BY sr.name, sp.name;
 
 -- Server Level Permissions
 SELECT	CASE

server-get-io-database-level.sql

@@ -0,0 +1,44 @@
+/*
+NOTE: sys.dm_io_virtual_file_stats counters are reset whenever the SQL Server service is started
+*/
+
+WITH AggregateIOStatistics AS (
+	SELECT	DB_NAME(database_id) AS [DB Name]
+			,CAST(SUM(num_of_bytes_read)/1048576 AS DECIMAL(12, 2)) AS reads_in_mb
+			,CAST(SUM(num_of_bytes_written)/1048576 AS DECIMAL(12, 2)) AS writes_in_mb
+			,CAST(SUM(num_of_bytes_read + num_of_bytes_written)/1048576 AS DECIMAL(12, 2)) AS io_in_mb
+	FROM	sys.dm_io_virtual_file_stats(NULL, NULL) AS [DM_IO_STATS]
+	GROUP BY database_id
+)
+SELECT	ROW_NUMBER() OVER(ORDER BY io_in_mb DESC) AS [I/O Rank]
+		,[DB Name]
+		,CAST(reads_in_mb/ SUM(reads_in_mb) OVER() * 100.0 AS DECIMAL(5,2)) AS [Read Percent]
+		,reads_in_mb AS [Read I/O (MB)]
+		,CAST(writes_in_mb/ SUM(writes_in_mb) OVER() * 100.0 AS DECIMAL(5,2)) AS [Write Percent]
+		,writes_in_mb AS [Write I/O (MB)]
+		,CAST(io_in_mb/ SUM(io_in_mb) OVER() * 100.0 AS DECIMAL(5,2)) AS [I/O Percent]
+		,io_in_mb AS [Total I/O (MB)]
+FROM	AggregateIOStatistics
+ORDER BY [I/O Rank];
+
+
+SELECT	DB_NAME(DB_ID()) AS [DB_Name]
+		,DFS.name AS [Logical_Name]
+		,DIVFS.[file_id]
+		,DFS.physical_name AS [PH_Name]
+		,DIVFS.num_of_reads
+		,DIVFS.io_stall_read_ms
+		,CAST(100. * DIVFS.io_stall_read_ms/(DIVFS.io_stall_read_ms + DIVFS.io_stall_write_ms) AS DECIMAL(10,1)) AS [IO_Stall_Reads_Pct]
+		,CAST(DIVFS.num_of_bytes_read/1048576.0 AS DECIMAL(19, 2)) AS [MB Read]
+		,CAST(100. * DIVFS.num_of_reads/(DIVFS.num_of_reads + DIVFS.num_of_writes) AS DECIMAL(10,1)) AS [# Reads Pct]
+		,CAST(100. * DIVFS.num_of_bytes_read/(DIVFS.num_of_bytes_read + DIVFS.num_of_bytes_written) AS DECIMAL(10,1)) AS [Read Bytes Pct]
+		,DIVFS.num_of_writes
+		,DIVFS.io_stall_write_ms
+		,CAST(100. * DIVFS.io_stall_write_ms/(DIVFS.io_stall_write_ms + DIVFS.io_stall_read_ms) AS DECIMAL(10,1)) AS [IO_Stall_Writes_Pct]
+		,CAST(DIVFS.num_of_bytes_written/1048576.0 AS DECIMAL(19, 2)) AS [MB Written]
+		,CAST(100. * DIVFS.num_of_writes/(DIVFS.num_of_reads + DIVFS.num_of_writes) AS DECIMAL(10,1)) AS [# Write Pct]
+		,CAST(100. * DIVFS.num_of_bytes_written/(DIVFS.num_of_bytes_read + DIVFS.num_of_bytes_written) AS DECIMAL(10,1)) AS [Written Bytes Pct]
+		,(DIVFS.num_of_reads + DIVFS.num_of_writes) AS [Writes + Reads]
+FROM	sys.dm_io_virtual_file_stats(DB_ID(), NULL) AS DIVFS
+		JOIN sys.database_files AS DFS WITH (NOLOCK) ON DIVFS.[file_id]= DFS.[file_id]
+ORDER BY (DIVFS.num_of_reads + DIVFS.num_of_writes) DESC;