MySQL查询表内重复记录
摘要：
查询及删除重复记录的方法(一)1、查找表中多余的重复记录，重复记录是根据单个字段（peopleId）来判断select * from peoplewhere peopleId in (select peopleId from people group by peopleId having count... 阅读全文
posted @ 2015-05-27 21:34 陈可 阅读(209) 评论(0) 推荐(0)
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