g0101_0200.s0196_delete_duplicate_emails.script.sql Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of leetcode-in-java Show documentation

Java-based LeetCode algorithm problem solutions, regularly updated

There is a newer version: 1.37

# Write your MySQL query statement below
# #Easy #Database #SQL_I_Day_2_Select_and_Order #2022_06_28_Time_903_ms_(48.10%)_Space_0B_(100.00%)
DELETE FROM Person
WHERE Id NOT IN (SELECT id FROM (SELECT Email, MIN(Id) AS id FROM Person GROUP BY Email) t)