日期:2014-05-18 浏览次数:20733 次
select * from 表1 a where not exists(select 1 from 表2 where userno=a.userno)
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select * from 表1 e where not exists (select 1 from 表2 d where e.UserNO=d.UserNo
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select * from t1 where userno not in(select userno from t2)
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select * from 表1 a where not exists(select 1 from 表2 b where a.UserNo =b.UserNo )