摘要: 文章转自:划边逅 SQL重复记录查询 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 people where peopleId in (select peopleId from people group by peopleId having 阅读全文
posted @ 2022-10-08 17:14 快乐小狗呀 阅读(3029) 评论(0) 推荐(0) 编辑