T-SQL Examples

SET IDENTITY_INSERT
set identity_insert dbo.TableName on
--Insert your record(s) with the values you want in the IDENTITY column
set identity_insert dbo.TableName off

DBCC CHECKIDENT
dbcc checkident ( 'dbo.TableName', noreseed );   --see what the current seed value is
dbcc checkident( 'dbo.TableName', reseed, 30 );  --reseed the value to 30, next record inserted will be 31

row_number()
select
 , row_number() over( partition by ol.OrderID order by ol.TaxSalesPercent desc ) as OrderLineRowNumber
from ...

xp_cmdshell
-- To allow advanced options to be changed. 
EXEC sp_configure 'show advanced options', 1 
GO 
-- To update the currently configured value for advanced options. 
RECONFIGURE 
GO 
-- To enable the feature. 
EXEC sp_configure 'xp_cmdshell', 1 
GO 
-- To update the currently configured value for this feature. 
RECONFIGURE 
GO

SQL Server Version Infomation
select 
serverproperty('productversion') as ProductVersion, 
serverproperty('productlevel') as ProductLevel, 
serverproperty('edition') as Edition, 
@@version as FullVersionText