sql语句 ## 删除重复的行

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sql语句

删除重复的行

 DELETE from t_holders a where (a.hid,a.company_id) in (select hid,company_id  from t_holders group by hid,company_id having count(*) > 1)
 and id not in (select min(id) from t_holders group by hid,company_id having count(*)>1)