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 | [email protected] |
| 2 | [email protected] |
| 3 | [email protected] |
+----+---------+
根据以上输入，你的查询应返回以下结果：
+---------+
| Email |
+---------+
| [email protected] |
+---------+
说明：所有电子邮箱都是小写字母。
# Write your MySQL query statement below
select distinct P1.Email
from Person as P1, Person as P2
where P1.Id != P2.Id and P1.Email = P2.Email# Write your MySQL query statement below
select Email
from Person
group by Email
having count(Id) > 1