作者Shiehnpin (XDman)
看板Database
标题Re: [SQL ] 新手两张表求解
时间Mon Apr 21 11:27:02 2014
select A.sub as 'Morning' , P.sub as 'Afternoon' from eclass
inner join esub A on clsam = A.uid
inner join esub P on clspm = P.uid
两次join即可
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