SQL courses

Become a SQL master – even if you’ve never coded before. Learn all the necessary tools to freely and efficiently work with any...

Become a SQL master – even if you’ve never coded before. Learn all the necessary tools to freely and efficiently work with any...

Go beyond the basics and become a SQL master. Learn modern SQL features that let you write more complex and effective queries.

Review and consolidate your SQL skills with tons of interactive exercises! In this learning path, you’ll practice SQL...

Learn how to use SQL for data analysis. This learning track is carefully crafted to include topics relevant to data analysis

This interactive learning track is intended for current and aspiring marketing professionals. It equips you with essential...

Learn how to uncover data-based insights with SQL reporting. Write real-world SQL queries that apply to real-world...

This comprehensive learning track is designed for healthcare professionals, data analysts, and anyone interested in the...

Become a SQL master – even if you’ve never coded before. Learn all the necessary tools to freely and efficiently work with any...

Master advanced SQL techniques that help you write complex SQL queries and create sophisticated data reports. Get hands-on...

Looking for a place to build your own solid SQL foundation? This learning path will teach you basic SQL statements like...

Practice your SQL skills in this month’s SQL Challenge. Review previous SQL Challenges to have even more fun!

This complete SQL learning track will take you from total MySQL database beginner to full working proficiency! It’s an...

Are you looking for interactive exercises in MySQL? We have a whole bunch of hands-on, beginner-friendly SQL challenges using...

Have you mastered the basics of SQL? Are you ready for more? Learn modern SQL features like recursion and CTEs in MySQL 8....

Looking for a place to build your own solid SQL foundation? This learning path will teach you basic SQL statements like...

Review and consolidate your SQL skills with tons of interactive exercises! In this learning path, you’ll practice SQL...

Learn how to uncover data-based insights with SQL reporting. Write real-world SQL queries that apply to real-world...

Looking for a place to build your own solid SQL foundation? This learning path will teach you basic SQL statements like...

Go beyond the basics and become a SQL master. Learn modern SQL features that let you write more complex and effective queries.

Learn how to create and manage tables, views, and indexes in popular relational database management systems like MySQL, SQL...

Go beyond the basics and become a SQL master. Learn modern SQL features that let you write more complex and effective queries.

Practicing your T-SQL skills has never been easier. Here you will find lots of interactive exercises! Consolidate your...

Need to quickly learn SQL basics to work with a MySQL database? This track is the easiest and fastest way for complete beginners...

Start here if you’re new to SQL. Learn the basics of SQL, retrieve data from an SQL database and build simple reports.

Learn how to use analytic SQL functions to deeply understand data.

Refine your SQL skills with 88 interactive exercises, ranging from simple tasks with SELECT FROM statements to more...

Review and deepen your knowledge of SQL JOINs with 93 exercises. Practice common and less common ways of getting data from...

Enhance your SQL skills through self-guided exploration of real-world datasets. Get hands-on experience in data analysis...

Master the most challenging type of SQL queries. Learn how to process trees and graphs in SQL, and how to effectively organize...

Do you want to practice SQL window functions? You've come to the right place! Here are 100 interactive online exercises on...

Looking for SQL practice exercises for beginners? This course is for you! Here are 156 interactive online exercises to refresh...

Practice SQL queries with all basic coding challenges from 2022!

Practice SQL queries with all advanced coding challenges from 2022!

Do you want to work with data using the most popular database in the world? Learn the basics of MySQL with these 126...

Practice SQL queries with all basic coding challenges from 2021!

Do you want to practice your MySQL skills? Here are 88 interactive SQL exercises that will test your knowledge. Start with...

Would you like to work with data from multiple tables? Or do you need to practice MySQL JOINs? We’ve prepared 92 exercises to...

Practice SQL queries with all advanced coding challenges from 2021!

Learn how to use the most common MySQL 5 and MySQL 8 functions. You’ll be writing MySQL queries like a pro!

Want to stay up to date with the latest MySQL features? MySQL window functions are essential for doing modern data analysis....

Have you already learned the basics of SQL? Now it's time for the next step: adding, changing, and removing data in MySQL using...

Do you want to be able to process trees and graphs in MySQL? Are you using MySQL 8 or higher? Learn how to write recursive...

Learn how to build MySQL reports that track and analyze key performance metrics with this interactive course.

Learn how to do customer behavior analysis in PostgreSQL and analyze the customer lifecycle.

Learn how to analyze revenue trends and create reports using PostgreSQL. Discover how to build meaningful revenue reports and...

Refine your SQL Server skills with 88 interactive exercises, ranging from simple tasks with SELECT and FROM statements to...

Learn how to use common PostgreSQL functions to process various types of data with ease. Soon, you'll be able to modify...

A data manipulation language (DML) helps you retrieve, store, modify, and delete data in a database. In this online course,...

Learn how to perform trend analysis in SQL Server, and create a meaningful revenue report from square one.

In this online course, you will master PostgreSQL recursive queries, also known as WITH clauses, and common table expressions (CTEs).

To be a database professional, you must understand how indexes work. These structures help the database to execute SQL...

Would you like to work smoothly and efficiently in PostgreSQL? Do you want to be able to create more complex queries? You...

Take your PostgreSQL skills to the next level by learning how to write your own functions.

Review and deepen your knowledge of T-SQL JOINS with this set of 93 great, interactive exercises. Practice the most popular...

Choose the right type of data for your needs. A data type tells the database what kind of information a column will store....

Constraints tell the database how to check the correctness of input data. Get to know the constraints available in SQL...

This online practice set consists of 88 interactive exercises. You will practice using simple statements and clauses, like...

Gaining insight from collected data plays an important role in today's information-driven world. During this online course,...

Learn how to use ROLLUP, CUBE, and GROUPING SETS—three extremely useful GROUP BY extensions that will help you create...

Learn how to conduct an analysis of customer behavior for your business using T-SQL queries. In this online course, you'll find...

A window function is an advanced SQL concept that enables you to maximize efficiency and minimize the complexity of queries...

Start here if you're new to SQL Server. Learn the basics of T-SQL for SQL Server, retrieve data from an SQL Server database...

Query more effectively with SQL views! A view is a saved SQL query. Learn how to create, modify, and remove views in SQL...

Gain competitive skills in SQL by learning how to create SQL reports in the PostgreSQL database! This online course consists of...

Discover the basic building blocks of creating tables in MySQL, SQL Server, Oracle, and PostgreSQL. Learn all about primary...

Go beyond simple SELECT statements! Learn all about the SQL UPDATE, INSERT, and DELETE commands, and find out how to combine...

Do you want to practice SQL? Are you looking for problems to help you practice what you've learned? You've come to the right...

Do you like both sports competition and learning? We have something for you. Here are 119 interactive online SQL exercises to...

Discover SQL Server data manipulation language (DML) processes. Learn how to insert, update, and delete data from a database.

Learn how to process numerical, text, and other types of data with SQL’s most-used functions.

Learn how to perform SQL trend analyses using SQL and build a meaningful revenue report from scratch.

Learn how to build basic SQL reports and make more informed, strategic decisions.

Learn how to work with maps in SQL

Master the most challenging type of T-SQL queries. Learn how to process trees and graphs in T-SQL, and how to effectively...

Teach yourself how to build basic SQL reports to track and analyze the performance of your metrics.

Learn how to use analytic T-SQL functions to deeply understand data.

Learn how to use common T-SQL functions to process various types of data with ease. Soon, you’ll be able to modify textual...

Learn how to do customer behavior analysis in SQL and analyze the customer lifecycle.

Do you want to work more efficiently using SQL and be able to create more complex and sophisticated queries? Learn about GROUP...

Consolidate your knowledge of operating on two or more data tables in PostgreSQL database. This online practice set consists of...

Practice SQL queries with all coding challenges from 2020!

Do you want to perform multiple groupings in one query? Learn how to use GROUP BY extensions, such as ROLLUP in MySQL. Take...

Master SQL with blog and web traffic data for a dog supply store. Dive into data analysis with these 141 interactive...

Curious what juicy queries we've got for you this time? Be sure to check this month's challenge!

Curious what juicy queries we've got for you this time? Be sure to check this month's challenge!

Practice SQL queries with all basic coding challenges from 2023!

Practice SQL queries with all advanced coding challenges from 2023!

Curious what juicy queries we've got for you this time? Be sure to check this month's challenge!

Check out this month's basic challenge and help Damien promote his local art museum!

Be sure to try this month's challenge and help Jason grow his lawn mower company!

Check out this month's basic challenge and help Christine manage her gym!

Check out this month's advanced challenge! Test your SQL skills by performing tasks using the database of a digital music store.

Check out this month's basic challenge and help Alice manage her yacht rental business!

Test your SQL skills by performing tasks using the Museum of Modern Art (MoMA) database in New York City.