Delete Duplicate Emails - Database - Leetcode 196 | SQL | Tamil | TamilWebDev | TWD

Problem link: https://leetcode.com/problems/delete-duplicate-emails/

Leetcode SQL Interview Questions Playlist - https://www.youtube.com/playlist?list=PLsWnklEJNqudMcE99KsauPKOrEVbXBzkP

self join - https://www.w3schools.com/sql/sql_join_self.asp
intermediate subquery on delete - https://stackoverflow.com/questions/4471277/mysql-delete-from-with-subquery-as-condition

Timeline
00:00 - Problem Question Explanation
01:32 - Problem Solution Approach 1
05:43 - Problem Solution Approach 2
10:18 - takeaway
10:35 - outro

In this video, we will walk through the solution to the LeetCode problem 196: Delete Duplicate Emails. We will be using MySQL, but this solution should work in any SQL dialect. The problem requires us to write a SQL query to delete all duplicate email entries in a table named Person, keeping only unique emails based on their smallest ID. If you're preparing for coding interviews or just looking to improve your problem-solving skills, this video is for you.

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