9 Websites you can practice SQL for FREE

How to achieve mastery in SQL? Theory is important for sure, but there is also one more important thing: practice. Without practice, you do not become a good data analyst.

Photo by Bruno Nascimento on Unsplash

I collect several websites here, where you can practice SQL. Hope you will find it useful.

W3schools

SQL Exercises

SQL-Practice

Learn SQL - Online SQL Terminal - Practice SQL Querys

W3resource

SQL Exercises, Practice, Solution - w3resource

Hackerrank

Solve SQL Code Challenges

SQL-Easy

Learn SQL: The best & easiest way to learn SQL

SQL Bolt

SQLBolt - Learn SQL - Introduction to SQL

PostgreSQL Exercises

PostgreSQL Exercises

SQL ZOO

SQLZOO

SQL-Trainer

https://sql-trainer.azurewebsites.net/#1

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