Remove Redundant Pairs - SQL Interview Query 1 | SQL Problem Level "HARD" смотреть онлайн

30DaySQLQueryChallenge is a series of 30 videos covering 30 SQL Interview Queries. This is the first video in this series. This video series aims to provide 30 SQL Queries that can be asked during SQL Interviews. In these videos, I will explain how to solve and address such SQL queries during interviews.
This particular video covers an SQL Interview query that I found on Reddit.

Learn and Practice SQL on LearnSQL platform below:
https://learnsql.com/?ref=thoufiqmohammed


Let's follow the below routine to make the best use of it:
1. Watch the YouTube video (first half) to understand the problem statement.

2. Go to my discord server (link below), download the dataset for each problem, and try solving it yourself.

3. Share your solution on Discord and discuss different solutions and issues on my Discord server.

4. Watch the second half of my YouTube video to find my solution to the problem.

5. Share it with your contacts and spread the knowledge.


DOWNLOAD the Dataset from below:
Discord server: https://discord.gg/824u5tNtS3
Blog website: https://techtfq.com/blog/30daysqlquerychallenge-query-1

Timeline:
00:00 Intro about the #30DaySQLQueryChallenge
00:58 Problem Statement Query1
05:43 #30DaySQLQueryChallenge Process to be followed
07:16 Solution to the Query1

Thanks for participating in this challenge!

Good luck and Happy Learning!