SQL SERVER里的xp_cmdshell删除方法

if exists (select * from
dbo.sysobjects where id=object_id(N'[dbo].[xp_cmdshell]')and
OBJECTPROPERTY(id,N'IsExtendedProc')=1)

exec sp_dropextendedproc N'[dbo].[xp_cmdshell]'

GO