Learning and Practicing SQL: Resources and Platforms

1. https://sqlbolt.com/ 

2. https://sqlzoo.net/ 

3. https://www.codecademy.com/learn/learn-sql 

4. https://www.w3schools.com/sql/ 

5. https://www.hackerrank.com/domains/sql 

6. https://www.windowfunctions.com/ 

7. https://selectstarsql.com/ 

8. https://quip.com/2gwZArKuWk7W 

9. https://leetcode.com/problemset/database/ 

10. http://thedatamonk.com/ 

*Beware click the link!