SQLBolt is an interactive online SQL tutorial that teaches the fundamentals of SQL, the popular language for working with relational databases. It offers a hands-on learning approach with numerous examples and exercises.
SQLBolt is an interactive online SQL tutorial designed for beginners looking to learn database query language. It uses a simple, no-frills interface that allows users to practice writing SQL statements and see the output right away.
The tutorial covers some of the fundamental SQL commands like SELECT, INSERT, UPDATE, DELETE, JOINs, aggregate functions, subqueries, and more. Each topic builds on previous lessons in a logical order and includes relevant examples. Users can edit example SQL queries live in their browser and execute them against sample databases to see the results instantly.
After introducing each concept, SQLBolt presents a series of exercises of increasing difficulty. These ask users to write SQL queries based on a sample dataset and test their understanding. Hints are available if you get stuck. All solutions are provided immediately after completing an exercise. There are also supplemental lessons on broader SQL-related subjects like relations, normalization, keys, etc.
As an interactive platform for learning SQL basics by doing, SQLBolt is beginner-friendly and free to use. It's commonly recommended for anyone looking to get hands-on practice writing and executing SQL queries at their own pace.