This script gets the size of each database file, not including backups. Essentially, you’ll see .MDF, .NDF, and .LDF files. SELECT DISTINCT bus.database_name , (buf.file_size / (1024*1024)) AS [File Size MB] , buf.physical_name FROM msdb..backupfile buf INNER JOIN msdb..backupset bus ON buf.backup_set_id = bus.backup_set_id ORDER BY bus.database_name
This is a handy script to show the number of cores and MaxDOP in a single output, along with a built-in script to change the value. The built-in script shows up as a query result so you can copy/paste it. SELECT cpu_count AS [Cores] , (SELECT value_in_use FROM sys.configurations WHERE name = ‘max degree of… Read More »
Finding Orphaned Users USE [db] GO EXEC sp_change_users_login ‘Report’ GO Fixing Orphaned Users USE [db] GO EXEC sp_change_users_login ‘auto_fix’, ‘USERNAME’ GO
If you’re creating a new index in SQL Server, it is good practice to make sure you have enough space on your drive to do so. You’ll not only need the space to hold it, but double the space as SQL Server builds it on temporary disk space. (https://msdn.microsoft.com/en-us/library/ms191183.aspx) So if your index is going… Read More »
SELECT COL_TO_CHECK, COUNT(COL_TO_CHECK) FROM TABLE_NAME GROUP BY COL_TO_CHECK HAVING COUNT(COL_TO_CHECK) > 1 If there is more than 1 column with that value it will show up like: COL_TO_CHECK COUNT(COL_TO_CHECK) ————————————————————- Value 3 Value2 2 Value99 4
Returns a report that has information about user permissions for an object, or statement permissions, in the current database. To find stored procedures that “username” can access: exec sp_helprotect @username = ‘username’ To see all objects in database and who has access: exec sp_helprotect For complete capabilities see http://msdn.microsoft.com/en-us/library/ms190310.aspx
Within a Stored Procedure, you may want the results of a particular query emailed to you, but only if there is a result. In other words, I don’t want to be notified when the result set size is 0. When you put a query into the “@query” of the stored procedure, the email will be… Read More »
Source of info: http://www.mattbutton.com/2011/06/01/sql-profiler-templates-missing/ Upon trying to create a trace template in SQL Server Profiler, I was able to name the trace but there were no events to choose from in the “Events Selection” tab, even when the “Show All Events” box was checked. If I clicked the “Column Filters” button the entire Profiler application would… Read More »
This is the basic query text to use whenever you need to loop through a result set in SQL Server using TSQL. In this example we are getting every database name and printing it out. /* Declare variable that will hold a single result */ DECLARE @DBName varchar(50) /* Declare the cursor and “load” the… Read More »
Do transactions apply in dynamic SQL, in SQL Server? In a word, yes. For proof, run the following chunks of code: No Transactions You can see the third row having a value of “5”, showing that it was updated CREATE TABLE #T( ID INT IDENTITY(1,1) ,COL1 VARCHAR(100) ,COL2 VARCHAR(100) ); INSERT INTO #T (COL1,COL2) VALUES(‘1′,’2’);… Read More »