SQLZOO
SQLZOO is a free online resource that helps users learn SQL concepts through interactive tutorials and exercises. It covers SQL syntax for a variety of database management systems.
SQLZOO: Free Online SQL Learning Platform
Learn SQL concepts with interactive tutorials, exercises, and coverage of various database management systems
What is SQLZOO?
SQLZOO is a free online resource that helps users learn SQL concepts through interactive tutorials and exercises. It was created in 2009 by Andrew Cumming and it covers standard SQL syntax for a variety of database systems including MySQL, SQL Server, PostgreSQL, Oracle, and MS Access.
The site features over 150 SQL tutorials with detailed explanations and diagrams. Users can directly write and execute example queries in the browser using the embedded interpreters. This hands-on practice helps reinforce the concepts.
The tutorials range from introductory topics like SELECT queries to more complex joins, subqueries, window functions, and handling date/time values. There are quizzes and challenge exercises to test skills as well.
An account system tracks progress and lets users save queries while working through the content. The site remains actively updated and ad-free. Overall, SQLZOO continues to be one of the leading interactive resources for those looking to learn SQL from scratch or test their database and querying abilities.
SQLZOO Features
Features
- Interactive SQL tutorials
- SQL exercises and quizzes
- Covers SQL syntax for MySQL, PostgreSQL, SQLite, Oracle, and MS Access
- Visualization of database schemas
- Sharing and embedding of tutorials
Pricing
- Free
Pros
Free to use
Interactive and hands-on learning
Covers multiple database systems
Visualizations help understand database structure and queries
Can share and embed tutorials
Cons
Limited to SQL and database topics
Not a full database management system
Exercises use simple datasets
No instructor feedback or graded assignments
Official Links
Reviews & Ratings
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