[LeetCode][SQL]Duplicate Emails

https://leetcode.com/problems/duplicate-emails/

Duplicate Emails

Write a SQL query to find all duplicate emails in a table named Person.

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

For example, your query should return the following for the above table:

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

select Email from Person group by Email having count(*) > 1

时间： 2024-10-14 02:00:02

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