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oracle中rowid的用法-CSDN博客
delete from stu a where rowid not in (select max(b.rowid) from stu b where a.no=b.no and a.name = b.name and a.sex =b.sex); //这里max使用min也可以
oracle中rowid的用法-CSDN博客
delete from stu a where rowid not in (select max(b.rowid) from stu b where a.no=b.no and a.name = b.name and a.sex =b.sex); //这里max使用min也可以