Looking for SQL practice exercises for beginners? This course is for you! Here are 156 interactive online exercises to refresh your basic SQL skills.
This SQL practice online course is for beginners who understand the basics of SQL and would like to practice writing SQL queries on examples from a real database.
Unlock your potential with our online SQL practice problems! The exercises are based on a simple database for a university. You’ll work with tables that contain student, lecturer, and course information. Sharpen your skills as you write queries and perform data analysis to uncover key insights. From discovering the curriculum for a specific degree and determining which courses a particular student has attended to creating a list of the courses a given lecturer has taught, our hands-on interactive tasks provide a comprehensive learning experience that enhances your expertise in no time.
There are 156 exercises in this online SQL course. They are grouped into sections by SQL topic: selecting from one table, JOINs, ORDER B, GROUP BY, subqueries, and set operations. Each section of the course starts with a brief review of the SQL syntax needed to solve the exercises. This is followed by hands-on, real-world tasks specially designed to strengthen your SQL skills.
To take full advantage of this course, you should know how to write simple SELECT queries, how to use the WHERE clause, what an SQL JOIN is, and how GROUP BY and HAVING work. You can learn all this in our SQL Basics course. After you finish it, come back here to practice what you learn.
Tailor your learning experience to your unique needs with the flexibility to choose the topics to focus on. By completing all the exercises, you master the basics of SQL and gain the confidence to tackle more advanced projects. We have selected topics that are challenging for beginners and that often appear in exams or job interviews to give you the most comprehensive basic SQL query practice possible.
This course is interactive. You practice writing real SQL queries to solve exercises on your web browser. Our web-based platform runs your command and verifies your solution. You don’t need to install anything on your computer, so you can start practicing right away.
Review your basic SQL knowledge! Practice using SELECT and WHERE to filter data from a single table.
Practice your skills in joining multiple tables using various types of JOINs.
Practice using ORDER BY and sorting the results of the queries.
Test your knowledge of grouping in SQL. Practice using aggregate functions and GROUP BY.
Practice using COUNT(), SUM(), MAX(), MIN() and SQL's mathematical operators. Test your knowledge of NULLs and subqueries.
Write some more advanced SQL queries using your combined knowledge on SELECT, WHERE, different kinds of JOINs, GROUP BY, HAVING, ORDER BY, set operators, and subqueries.