This playlist contains scenario based SQL problems. After solving these you should be able to ace any SQL interview. As and when I find a good problem, i will add it to this playlist.
Curated by: Ankit Bansal (96 videos)
In this video we will discuss a problem where we need to identify cities where covid cases increasing everyday. We will use SQL analytic window RANK function to solve the problem. Most Asked Join Based Interview Question: https://youtu.be/xR87ctOgpAE Data Analyst Spotify Case Study: https://youtu.be/-YdAIMjHZrM Top 10 SQL interview Questions: https://youtu.be/Iv9qBz-cyVA Interview Question based on FULL OUTER JOIN: https://youtu.be/KQfWd6V3IB8 Playlist to master SQL : https://youtube.com/playlist?list=PLBTZqjSKn0IeKBQDjLmzisazhqQy4iGkb Rank, Dense_Rank and Row_Number: https://youtu.be/xMWEVFC4FOk script: create table covid(city varchar(50),days date,cases int); delete from covid; insert into covid values('DELHI','2022-01-01',100); insert into covid values('DELHI','2022-01-02',200); insert into covid values('DELHI','2022-01-03',300); insert into covid values('MUMBAI','2022-01-01',100); insert into covid values('MUMBAI','2022-01-02',100); insert into covid values('MUMBAI','2022-01-03',300); insert into covid values('CHENNAI','2022-01-01',100); insert into covid values('CHENNAI','2022-01-02',200); insert into covid values('CHENNAI','2022-01-03',150); insert into covid values('BANGALORE','2022-01-01',100); insert into covid values('BANGALORE','2022-01-02',300); insert into covid values('BANGALORE','2022-01-03',200); insert into covid values('BANGALORE','2022-01-04',400); #sql #dataengineer #window #functions