mysql查询删除表中重复数据delete from zb where id in (select id from zb group by prd_name,mf_cmp_nam
mysql查询删除表中重复数据 delete from zb where id in (select id from zb group by prd_name,mf_cmp_name,info having count(id) > 1) and id not in (select min(id) from zb group by prd_name,mf_cmp_name,info having count(id) > 1);求解答！！！ [解决办法] 求解答呀。 大神们。。
