In this video we will understand SQL views and difference Between SQL Views vs Materialized Views. This is a very frequently asked SQL interview question. This is the only video you need to answer this question in your next SQL interview.
script:
CREATE TABLE orders (
order_id INT,
order_date DATE,
product_name VARCHAR(20),
sales INT
);
INSERT INTO orders (order_id, order_date, product_name, sales) VALUES
(1, '2023-01-15', 'Laptop', 1200),
(2, '2023-01-17', 'Smartphone', 800),
(3, '2023-01-20', 'Tablet', 600),
(4, '2023-02-05', 'Smartwatch', 300),
(5, '2023-02-08', 'Headphones', 150),
(6, '2023-02-10', 'Monitor', 200),
(7, '2023-02-15', 'Keyboard', 80),
(8, '2023-02-20', 'Mouse', 50),
(9, '2023-03-01', 'Printer', 220),
(10, '2023-03-05', 'Camera', 500);
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