An interactive web-based PostgreSQL SQL tutorial that teaches the basics of SQL queries, statements, clauses, operators, functions, and more through hands-on examples and exercises.
The Interactive PostgreSQL SQL Tutorial is a free, web-based tutorial for learning basic to advanced SQL using the PostgreSQL database. It provides an interactive environment to practice writing SQL queries, allowing users to execute queries and immediately see the results.
The tutorial covers fundamental SQL concepts like SELECT statements, WHERE and LIKE clauses, sorting with ORDER BY, filtering with DISTINCT, aggregate functions, joining tables, subqueries, views, date/time functions, and much more. Each concept is explained through real-world examples and followed up with interactive exercises to reinforce the learnings.
A key feature is the ability to run and edit SQL statements live in the web browser against a sample PostgreSQL database pre-loaded with data. This learn-by-doing approach helps build SQL skills rapidly. The tutorial has over 200 exercises curated by difficulty level ranging from basic to advanced. Hints and solutions are provided to help if stuck.
Overall, this is an easy way for anyone to get hands-on practice with PostgreSQL and SQL at their own pace. The interactive nature combined with clear explanations and customizable practice makes this a unique and effective SQL learning tool.