# 182.Duplicate Emails

**182.Duplicate Emails**

难度:Easy

> SQL架构 编写一个 SQL 查询，查找 Person 表中所有重复的电子邮箱。

示例：

+----+---------+ | Id | Email | +----+---------+ | 1 | a@b.com | | 2 | c@d.com | | 3 | a@b.com | +----+---------+ 根据以上输入，你的查询应返回以下结果：

+---------+ | Email | +---------+ | a@b.com | +---------+ 说明：所有电子邮箱都是小写字母。 代码：

```
# Write your MySQL query statement below
select Email from Person  group by Email having count(Email)>1;
```
