存储过程
use stuinfo select * from sc where sno='2020005' create proc p1 as begin select * from sc where sno='2020005' end --执行 exec p1 --修改 alter proc p1 @sno varchar(13),@cno varchar(13) as begin select sc.*,cou.ccredit from sc,cou where sno=@sno and sc.cno=@cno and sc.cno=cou.cno end exec p1 '2020004','20203' --删除 drop proc p1