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leetcode_196.md

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Description

  1. Delete Duplicate Emails

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

Solution

-- ------- Approach 2

delete from leetcode.person_196 where id not in(
select * from (select min(id) as id from leetcode.person_196 group by email) as p);

-- ------- Approach 2

with my_cte as (select min(id) as id from leetcode.person_196 group by email)
delete from leetcode.person_196 where id not in (select id from my_cte);