182. Duplicate Emails

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上載者:User

標籤:lower   cat   email   note   .com   return   com   sel   select   

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] |
+---------+

Note: All emails are in lowercase.

# Write your MySQL query statement belowSELECT Email FROM PersonGROUP BY Email HAVING COUNT(Email)>1;

182. Duplicate Emails

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