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
solution:
# Write your MySQL query statement below
SELECT DISTINCT Email FROM Person
WHERE Email in (SELECT Email FROM Person GROUP BY Email HAVING COUNT(Email) > 1)