Leetcode no. 182
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182. Duplicate Emails
Write a SQL query to find all duplicate emails in a table named Person
.
+----+---------+| Id | Email |+----+---------+| 1 | a@b.com || 2 | c@d.com || 3 | a@b.com |+----+---------+
For example, your query should return the following for the above table:
+---------+| Email |+---------+| a@b.com |+---------+
Note: All emails are in lowercase.
# Write your MySQL query statement belowselect Email from Persongroup by Emailhaving count(*) >1
0 0
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