- sql-ex.ru – in-browser set of SQL exercises (ru).
- sqlzoo.net – in-browser set of SQL exercises (en).
- sql-easy.com – interactive online SQL training for beginners (en).
- sqlbolt.com – series of interactive lessons and exercises designed to help you quickly learn SQL right in your browser (en).
- SQL basics – basic SQL course @ khanacademy.org (en).
- SQL Teaching – in-browser set of SQL exercises (ru).
- SQL Fundamentals @ SoloLearn – set of theory and questions to learn SQL from scratch (en).
- SQL Tutorial @ w3schools.com – set of theory and practice to start learning SQL (en).
- Learn SQL @ Codecademy – theory and practice to learn SQL (en).
- SQL Tutorial @ TutorialRepublic – course explaining SQL basic concepts (en).
- SQL Tutorial @ javatpoint – SQL tutorial is designed for beginners (en).
- A gentle Introduction to SQL – two articles showing SQL basics (en).