关于IDENTITY的一些用法

--获取当前表的标识值

select IDENT_CURRENT( 'tbUserLogin' )

--设置表的标识值为14

DBCC CHECKIDENT('tbUserLogin',RESEED,14  )

--获取当前表的标识值的增量值

SELECT IDENT_INCR('tbUserLogin') AS Identity_Increment

--

SELECT IDENT_SEED('tbUserLogin') AS Identity_Seed

--

SET IDENTITY_INSERT tablename ON

declare @ID INT 
select @ID=IDENT_CURRENT( 'tbTest' ) +1
DBCC CHECKIDENT( 'tbTest ',RESEED, @ID) 
SELECT @ID