Databases

Other topics Programming Web Data Tools Haskell Concepts Cabal & builds Toolchain Compiler Performance Editor & HLS

2 guides

What Is a Database? A Clear Introduction (2026)

Jun 15, 2026 in Programming, Data, Databases — A database is an organised collection of data, managed by software that lets you store, query and update it reliably. Relational vs NoSQL, key concepts (tables, schema, ACID), real examples, and how it relates to SQL.

What Is SQL? The Language of Databases, Explained (2026)

Jun 14, 2026 in Programming, Data, Databases — SQL is the standard language for storing, querying and changing data in relational databases. Core commands (SELECT, INSERT, UPDATE, DELETE), how a query works, SQL vs NoSQL, and why it is still essential in 2026.