Join over 28 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews.

Dec 4, 2025 · In this free SQL Exercises page, we offer a comprehensive collection of practice problems covering a wide range of topics. These exercises serve beginners, intermediate, and advanced …

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There are between 3 and 9 questions in each category. The answer can be found in the corresponding tutorial chapter. If you're stuck, or answer wrong, you can try again or hit the "Show Answer" button …

Start your journey into data handling with this interactive SQL course. Learn how to create, manipulate, and query databases with practical exercises and real-world examples.

Mar 13, 2025 · This resource offers a total of 2605 SQL problems for practice. It includes 1246 main exercises, each accompanied by solutions, detailed explanations, and four/five related problems.

Dec 5, 2025 · We have collected a variety of SQL practice problems for each and every topic of SQL. You can appear in top tech companies by practicing consistently and precisely every day.

Feb 29, 2024 · Try solving those 20 SQL practice problems! Whether you're just starting your SQL journey or preparing for exams, you need to sharpen your SQL skills if you want to become an expert.

At DataForGeeks, we’ve curated a growing collection of SQL problems, ranging from beginner to advanced, with clear solutions and explanations. What You’ll Find Here:

Jun 5, 2025 · In this blog, you’ll tackle 30 SQL query challenges, from basic SELECTs to window functions and subqueries — with real-world scenarios and ready-to-run solutions using standard SQL.