醉了，mysql的删除居然变得这么麻烦 delete from table where id in()
2015-01-07 10:01
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居然要加这么多层，还需要在里面加一个别名才可以。
删除标题重复的旧记录。
删除标题重复的旧记录。
delete from theTable where id in ( select id from ( select min(id) id from theTable group by title H***ING count(*)>1 ) ids ) ;
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