日期:2014-05-17 浏览次数:21031 次
select * from table
where rowid not in
(select max(rowid) from table
group by A,B,C)
如果要全部显示出来,考虑用group by having
select * from table
where A,B,C in
( select A,B,C from table
group by A,B,C
having count(1) > 1
)
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上午的回帖 没达到效果么?