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删除重复多余行 电子表格中有大量的重复内容,怎样删除重复多余的数据?

2021-04-05知识10

怎么清除高信软件重复多余的数据? 在几千条记录里,存在着些相同的记录,如何能用SQL语句,删除掉重复的呢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(peopleId)>;1)2、删除表中多余的重复记录,重复记录是根据单个字段(peopleId)来判断,只留有rowid最小的记录delete from peoplewhere peopleName in(select peopleName from people group by peopleName having count(peopleName)>;1)and peopleId not in(select min(peopleId)from people group by peopleName having count(peopleName)>;1)

sql 删除重复行怎么写 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(peopleId)>;1)2、删除表中多余的重复记录,重复记录是根据单个字段(peopleId)来判断,只留有rowid最小的记录delete from peoplewhere peopleId in(select peopleId from people group by peopleId having count(peopleId)>;1)and rowid not in(select min(rowid)from people group by peopleId having count(peopleId1)3、查找表中多余的重复记录(多个字段)select*from vitae awhere(a.peopleId,a.seq)in(select peopleId,seq from vitae group by peopleId,seq havingcount(*)>;1)4、删除表中多余的重复记录(多个字段),只留有rowid最小的记录delete from vitae awhere(a.peopleId,a.seq)in(select peopleId,seq from vitae group by peopleId,seq havingcount(*)>;1)and rowid not in(select min(rowid)from vitae group by peopleId,seq having count(*)>;1)5、查找表中多余的重复记录(多个字段),不包含rowid最小的记录select*from vitae awhere(a.peopleId,a。.

怎样删除电子表格中重复多余的数据,在工作中我们经常会在汇总的表格中看到很多重复的数据,怎样可以简单快捷又准确无误的把这些多余的数据删除呢?下面我简单介绍一下。

#删除重复多余行

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