Learn about and revise the topics of relational databases and structured query language (SQL) with this BBC Bitesize GCSE Computer Science AQA study guide.

Navigational databases offer exceptionally rapid data access in exchange for rigorous data structure requirements. This post is one of a series that introduces the fundamentals of NOSQL databases ...

SQL databases have constraints on data types and consistency. NoSQL does away with them for the sake of speed, flexibility, and scale.