Complex SQL Questions for Interview Preparation

Currently Playing: SQL Interview Question Asked in Tredence Analytics

In this video we will solve a SQL interview question asked in Tredence Analytics . We will solve it using 3 methods. High quality in depth Analytics courses : https://www.namastesql.com/ script: CREATE TABLE cinema ( seat_id INT PRIMARY KEY, free int ); delete from cinema; INSERT INTO cinema (seat_id, free) VALUES (1, 1); INSERT INTO cinema (seat_id, free) VALUES (2, 0); INSERT INTO cinema (seat_id, free) VALUES (3, 1); INSERT INTO cinema (seat_id, free) VALUES (4, 1); INSERT INTO cinema (seat_id, free) VALUES (5, 1); INSERT INTO cinema (seat_id, free) VALUES (6, 0); INSERT INTO cinema (seat_id, free) VALUES (7, 1); INSERT INTO cinema (seat_id, free) VALUES (8, 1); INSERT INTO cinema (seat_id, free) VALUES (9, 0); INSERT INTO cinema (seat_id, free) VALUES (10, 1); INSERT INTO cinema (seat_id, free) VALUES (11, 0); INSERT INTO cinema (seat_id, free) VALUES (12, 1); INSERT INTO cinema (seat_id, free) VALUES (13, 0); INSERT INTO cinema (seat_id, free) VALUES (14, 1); INSERT INTO cinema (seat_id, free) VALUES (15, 1); INSERT INTO cinema (seat_id, free) VALUES (16, 0); INSERT INTO cinema (seat_id, free) VALUES (17, 1); INSERT INTO cinema (seat_id, free) VALUES (18, 1); INSERT INTO cinema (seat_id, free) VALUES (19, 1); INSERT INTO cinema (seat_id, free) VALUES (20, 1); Zero to hero(Advance) SQL Aggregation: https://youtu.be/5Ighj_2PGV0 Most Asked Join Based Interview Question: https://youtu.be/xR87ctOgpAE Solving 4 Trick SQL problems: https://youtu.be/Ck1gQrlS5pQ 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 #sql #dataengineer