- Delete Duplicate Emails
https://leetcode.com/problems/delete-duplicate-emails/description/
-- ------- 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);