Sql--identity () Auto-Grow column

Source: Internet
Author: User

CREATE TABLETables ([SID] [Numeric]( A,0)IDENTITY(1,1) not NULL,    [UpdateTime] [datetime]  not NULL, CONSTRAINT [Pk_tables] PRIMARY KEY(SIDASC) )  

Use this statement to create a table to hold an ID.

 declare   @myseq  numeric (12  )  insert  into  Tables (updatetime) values  ( getdate   set   @myseq  =  scope_identity   ()  delete  from  Tables where  sid=   @myseq  select   @myseq  

Delete near Save ID and do not occupy database space after each execution

As for scope_identity () returns the value of the primary key

Sql--identity () Auto-Grow column

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