問題描述：編寫一個 SQL 查詢，查詢 Person 表中所有重複的電子郵箱。
示例：

+----+---------+
| Id | Email   |
+----+---------+
| 1  | [email protected] |
| 2  | [email protected] |
| 3  | [email protected] |
+----+---------+

根據以上輸入，你的查詢應返回以下結果：

+---------+
| Email   |
+---------+
| [email protected] |
+---------+
 

說明：所有電子郵箱都是小寫字母。
所用的表和資料

Create table If Not Exists Person (Id int,Email varchar(255));
Truncate table Person;
insert into Person (Id, Email) values ('1','[email protected]');
insert into Person (Id, Email) values ('2','[email protected]');
insert into Person (Id, Email) values ('3','[email protected]
 
');

解決方法：

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