一条SQL删除数据表中的重复数据

[Eureka]

表中数据如下

要求删除后出现的重复的数据，即删掉ID为3的数据。

方式一

delete p1 from duplicate_email as p1,duplicate_email as p2 where p1.email = p2.email and p1.id > p2.id;

方式二

delete p1 from duplicate_email as p1 left join duplicate_email as p2 on p1.email = p2.email where p1.id > p2.id;