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where后头能用in select吗

发布时间: 2013-11-15 22:28:15 作者: rapoo

where后面能用in select吗?
师傅,where后面能用in select吗?

update set LEI='添加中' from GG where in (select top 100 ,LEI from GG where LEI=null)
[解决办法]
我记得是可以的,你的设置什么field in

例如
Select * from Students where classid in (
select classid from classes where grade = 1
)
[解决办法]
update set LEI='添加中' from GG where LEI in (select top 100 LEI from GG where LEI=null)
[解决办法]
错了。
update GG set LEI='添加中' where LEI in (select top 100 LEI from GG where LEI=null)

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