Welcome to PostgreSQL Exercises! This site was born when I noticed that there's a load of material out there to help people learn about SQL, but not a great deal to make it easy to learn by doing. PGExercises provides a series of questions and explanations built on a single, simple dataset.

PostgreSQL Operators PostgreSQL SELECT PostgreSQL SELECT DISTINCT PostgreSQL WHERE PostgreSQL ORDER BY PostgreSQL LIMIT PostgreSQL MIN and MAX PostgreSQL COUNT PostgreSQL SUM PostgreSQL AVG PostgreSQL LIKE PostgreSQL IN PostgreSQL BETWEEN PostgreSQL AS PostgreSQL Joins PostgreSQL INNER JOIN PostgreSQL LEFT JOIN PostgreSQL RIGHT JOIN PostgreSQL FULL JOIN PostgreSQL CROSS JOIN PostgreSQL UNION PostgreSQL GROUP BY PostgreSQL HAVING PostgreSQL EXISTS PostgreSQL ANY PostgreSQL ALL PostgreSQL CASE ... Tip: Sign in to track your progress. ... If you haven't already, sign up to become a W3Schooler, and get points for every exercise you complete.

October 30, 2025 - The best way to learn PostgreSQL is through practice. This section is for beginners to intermediate users to enhance their SQL skills with exercises.

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Solidify your knowledge of using PostgreSQL queries! This online practice set is dedicated to users who know SQL basics.

Practice PostgreSQL in Free Labs. Gain hands-on experience with SQL queries, database design, and data management in an interactive and free PostgreSQL playground.

You can try to use free online datasets or even try to create some projects on your own. But it can be hard to come up with practice problems and scenarios. Also, it’s good to have a learning path, where you can find your current level of experience and see what you need to do to progress. That is why LearnSQL’s Practice Set in PostgreSQL is so useful. Its 88 exercises ...

The theory is one thing, but the real fun starts when you work with it for online practice or apply it in a real-world scenario. So, whether you're a beginner taking your first steps towards writing SQL queries in PostgreSQL or a specialist who wants to refresh your SQL skills through practice, this exercise set will check your knowledge level and show you what you still need to catch up on.

This is a compilation of all the questions and answers on Alisdair Owen's PostgreSQL Exercises.

Practice Postgres SQL with interview-style questions, real datasets, and fast in-browser results on SQLPad.

Here are the consolidated list of exercises covering all the key topics related to Postgresql to gain mastery over SQL.

PostgreSQL Practice Exercises · Raw · postgresql_practice_exercises.md · Sample solutions to exercises can be found here: https://gist.github.com/kjs222/5169a292d87d1774832b7160f7ba2b49 · ###Setup: Clone Repo: git clone git@github.com:turingschool-examples/storedom.git bundle update ·

PostgreSQL questions and answers on a single dataset - ozencb/postgresql-exercises

The editor shows sample boilerplate code when you choose database as 'PostgreSQL' and start writing queries to learn and test online without worrying about tedious process of installation. PostgreSQL is a open source relational database system and is also knows as Postgres. Postgres is not only free and open-source but also it is highly extensible.

Click “Start for free” and try it yourself! Logical, interactive practice exercises. We’ll start with the easier exercises, then work towards the more challenging ones. Learn by doing.

PostgreSQL Exercises PostgreSQL Quiz PostgreSQL Syllabus PostgreSQL Study Plan · ❮ Previous Next ❯ · You can test your PostgreSQL skills with W3Schools' Quiz. The test contains 25 questions and there is no time limit.

The exercises in this article are taken directly from this course - if you find them useful, you can be sure that you will find the rest of the course useful, too. Don’t worry: you are allowed to make all kinds of mistakes - there’s nothing you can break and no one is going to get angry with you for running odd queries. Finally, keep our free PostgreSQL ...

July 23, 2025 - PostgreSQL is a powerful, open-source relational database system that supports complex queries, data types, and performance optimization features. This article provides PostgreSQL practice exercises with solutions, allowing learners to explore how joins, aggregations, triggers, and foreign keys work in real scenarios.

This playlist is a free comprehensive guide through 42 SQL exercises from the free website pgexercises.com. Each video is a step-by-step walkthrough, providi...