删除重复数据

MySQL 删除数据库中重复数据方法小结

jerry mysql
MySQL 删除数据库中重复数据方法小结
刚开始,根据我的想法,这个很简单嘛,上sql语句 delete from zqzrdp where tel in (select min(dpxx_id) from zqzrdp group by tel having count(tel)>1); 执行,报错!!...
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