发布网友 发布时间:2024-10-24 15:02
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热心网友 时间:2024-10-29 08:11
select * from a where id in (select id from b where c='x')
热心网友 时间:2024-10-29 08:03
select * from a ,b where a.id=b.id and a.id=1 and b.c='x'