SQLZoo

Spec sheet

Purpose

SQLZoo provides tutorials and reference to support people learning SQL.Read 7 Oct 2026 · sqlzoo.net

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.Read 7 Oct 2026 · sqlzoo.net

Support

The maintainer invites educators to contact him when something is not working and says class issues are a priority.Read 7 Oct 2026 · sqlzoo.net

Assessments

Each assessment includes 15 questions graded easy, medium, and hard.Read 7 Oct 2026 · sqlzoo.net

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.Read 7 Oct 2026 · sqlzoo.net

Example databases

The site provides MySQL-format data for Buses, Covid, EURO2012, General Election, Movies, Nobel, Teachers, and World.Read 7 Oct 2026 · sqlzoo.net

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.Read 7 Oct 2026 · sqlzoo.net

Interactive practice

The site offers interactive access to several SQL engines, sample databases, practical exercises, and instant feedback on student attempts.Read 7 Oct 2026 · sqlzoo.net

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.Read 7 Oct 2026 · sqlzoo.net

Reference material

The site includes reference material for SELECT, table creation and deletion, data changes, dates, functions, users, and metadata.Read 7 Oct 2026 · sqlzoo.net

Supported engines

The site identifies MySQL, Oracle, SQL Server, and other SQL engines as engines available for interactive learning.Read 7 Oct 2026 · sqlzoo.net

Tutorial topics

Tutorials cover SELECT, pattern matching, aggregates, joins, NULL, numeric examples, window functions, self joins, quizzes, and database creation.Read 7 Oct 2026 · sqlzoo.net

Plans and prices

Every SQLZoo plan and price →

Where Specifiction places it

• Coding Challenge Platforms#27 of 307.0