On the recordRead 7 Oct 202612 facts
SQLZoo
Plans and prices
SQLZoo
Free
SQL tutorials and reference
Read 7 Oct 2026 · sqlzoo.net
On the record
- Assessments
- Each assessment includes 15 questions graded easy, medium, and hard.sqlzoo.net · read 7 Oct 2026
- Educators
- The material was initially developed for Edinburgh Napier University, and the maintainer says the site works particularly well for large classes with an instructor supporting learners face to face.sqlzoo.net · read 7 Oct 2026
- Example databases
- The site provides MySQL-format data for Buses, Covid, EURO2012, General Election, Movies, Nobel, Teachers, and World.sqlzoo.net · read 7 Oct 2026
- Hosting
- The site says it runs on Raspberry Pi computers at the maintainer’s home and has a DigitalOcean cloud backup stored as a snapshot.sqlzoo.net · read 7 Oct 2026
- Interactive practice
- The site offers interactive access to several SQL engines, sample databases, practical exercises, and instant feedback on student attempts.sqlzoo.net · read 7 Oct 2026
- Notable limitation
- The maintainer describes SQLZoo’s sample engines as relatively safe and recommends installing an SQL engine locally to experiment with the real thing.sqlzoo.net · read 7 Oct 2026
- Privacy
- The privacy policy says cookies and local storage record interactions and maintain user history, which is reviewed to improve content; anonymized usage patterns may be used for research.sqlzoo.net · read 7 Oct 2026
- Purpose
- SQLZoo provides tutorials and reference to support people learning SQL.sqlzoo.net · read 7 Oct 2026
- Reference material
- The site includes reference material for SELECT, table creation and deletion, data changes, dates, functions, users, and metadata.sqlzoo.net · read 7 Oct 2026
- Support
- The maintainer invites educators to contact him when something is not working and says class issues are a priority.sqlzoo.net · read 7 Oct 2026
- Supported engines
- The site identifies MySQL, Oracle, SQL Server, and other SQL engines as engines available for interactive learning.sqlzoo.net · read 7 Oct 2026
- Tutorial topics
- Tutorials cover SELECT, pattern matching, aggregates, joins, NULL, numeric examples, window functions, self joins, quizzes, and database creation.sqlzoo.net · read 7 Oct 2026