TOP 5 free Platforms to Practice SQL (I recommend to you)

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Are you looking for places to practice SQL online?
*I* will introduce you to some sites that will help with the practice

Each of these websites allow you to practice your SQL queries on a database.

You can Practice coding challenges & prep for interviews.

**1 - Hakerrank https://www.hackerrank.com/dashboard

HackerRank is a site that allows you to practice your skills in many different languages, and one of the languages provided is SQL.

There are many different SQL challenges on the site, and each of them has a sample data set, a question to answer with SQL, a list of the submissions, a leaderboard, and discussions.

Exercises are broken down by difficulty and you’re able to write the SQL in DB2, MySQL, Oracle, and SQL Server.

Also You can Get certified in technical skills by taking the HackerRank Skills Certification Test. Upon successfully clearing an assessment, you can promote yourself using the HackerRank certificate to peers and employers

For people looking to get better at coding, **HackerRank is free to use**.

**2 - Strata scratch https://platform.stratascratch.com/co...

StrataScratch is *a data science platform* with over 1,000+ real interview questions from your favorite companies. Explore Coding Questions. New interview questions are released every month.

You can see SQL questions from Google, Meta, Amazon and other companies. Also you can choose *PostgreSQL, MySQL, MS SQL Server (βeta) for practice.* M**uch of StrataScratch is accessible as a free user.**

3 - SQL practice https://www.sql-practice.com/

V**ery simple SQL simulator with tasks of varying complexity. it also has some resources for learning SQL.** **Practice SQL** querys with an online terminal. Solve **SQL** query questions using a **practice** database. Learn and improve your **SQL** skills. I**t's completely free.**

4 - sqlcourse https://www.sqlcourse.com/

*SQLCourse is a SQL tutorial website that not only provides easy-to-understand SQL instructions at your correct level, but it allows you to practice what you learn using the online SQL interpreter.* There are 2 courses: *BEGINNER SQL COURSE and ADVANCED SQL COURSE with SQL simulator for practice. It's completely free.*

5 - leetcode https://leetcode.com/

Leetcode is **an online platform to enhance your skills and prepare for tech interviews**. The site has over 1900 coding problems with questions to help you prepare. **LeetCode has three SQL dialects -- MySQL, MS SQL Server, and Oracle**. LeetCode offers solutions on almost all their database questions, which is very helpful when you're stuck on a problem. Much of the site's content can be accessed for free.