mysql删除重复数据

也许你在百度中找到一条sql，欣喜若狂：  （脚本之家，目前为止依然是错误的例子）mysql delete FROM `ex` WHERE phone in (SELECT c.phone FROM `ex` as c GROUP BY c.phone sql HAVING COUNT( * ) >1) and id not in (select max(b.id) from `ex` as b

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