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删除mysql数据库中的重复数据记录

时间:2024-3-1 22:31     作者:韩俊     分类: Mysql


采用的是下面的方法可删除,假设重复的是test数据库中的title字段


create table bak as (select * from test group by title having count(*)=1);
insert into bak (select * from test group by title having count(*)>1);
truncate table test;
insert into test select * from bak;

标签: mysql

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