Where to learn more
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Play and practice
- SQLBolt — learn SQL step by step with interactive exercises.
- SQLZoo — practice real queries on real tables in your browser.
- Mode SQL Tutorial — a friendly, hands-on path from basic to advanced.
Read and reference
- W3Schools SQL — short, clear pages for every SQL keyword.
- PostgreSQL Tutorial — a thorough guide using a popular database.
- SQLite documentation — the official docs for the database this course uses.
- A-Level Computer Science — includes a unit on databases and SQL.
Tip
- The Resources button on the course card opens these links as a quick panel.
- Open it any time you want somewhere new to explore.