May 15, 2025 · These exercises serve beginners, intermediate, and advanced learners, providing hands-on experience with SQL tasks. We'll work on everything from basic data retrieval and …

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

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 …

Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews.

Write a CASE WHEN expression to assign countries to different groups. Divide events according to whether their first/last letters are the same or vowels. Use a variety of text functions in SQL …

Apr 18, 2023 · In this article we show you ten SQL practice exercises for beginners, where you can test your basic SQL knowledge. Use them as a practice or a way to learn new SQL …

SQL exercises and challenges with solutions PDF. List of free resources to practice MySQL and PostrgreSQL. SQL test evaluation skills, interview questions and theory tests. Exercises for …

Master advanced SQL skills with our comprehensive list of top 30 exercises. Dive into coding challenges that improve your understanding and proficiency in SQL, setting a solid foundation …

May 17, 2025 · To level up your SQL skills, you can solve advanced SQL interview questions from the real world. Simple SQL Solutions for each code are readily available. What is SQL? The …

Practice your way to SQL mastery with hands-on coding exercises designed for real learning. Our exercises cover everything from fundamental syntax to advanced language features. Get …