标签：let group by and not sele 重复数 inf select rom
delete from rainfall a
where (a.d, a.h, a.n) in (select d, h, n from rainfall GROUP BY d, h, n having count(*) > 1)
and id not in (select min(id) from rainfall GROUP BY d, h, n having count(*)>1)
标签：let group by and not sele 重复数 inf select rom
原文地址：http://www.cnblogs.com/restful/p/7878104.html
