任天堂游戏机怎么样:SQL:将视图V1赋给视图V2的语句怎么写
来源:百度文库 编辑:高校问答 时间:2024/05/23 19:30:06
if exists(select * from sysobjects where xtype='v' and name='view2')
drop view view2
go
create view view2
as
select * from view1
if exists(select * from sysobjects where xtype='v' and name='view2')
drop view view2
go
create view view2
as
select * from view1