182. 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] | +---------+
Note: All emails are in lowercase.
# Write your MySQL query statement below
select distinct p1.Email
from Person p1, Person p2
where p1.Id != p2.Id and p1.Email = p2.Email相關推薦
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