[leetcode]Delete Duplicate Emails
来源：互联网 发布：ubuntu恢复出厂 命令 编辑：程序博客网 时间：2024/05/22 15:45
language：mysql
delete from Person where Id not in (select * from (select min(Id) from Person group by Email) t);附
use test;create table Person(Id int auto_increment primary key,Email varchar(100));insert into Person(Email) values('john@example.com'),('bob@example.com'),('john@example.com'); 0 0
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