What is a Database?

A database stores structured data and answers queries reliably, even with many users writing at once.

Beginner 5 min IT Fundamentals
ApplicationSends queriesDatabase engineParser & plannerIndexesFast lookup pathsData filesTables on disk
Queries in, consistent answers out.

Hover a node to trace its connections · click or press Enter for a short explanation

Next conceptWhat is an API?An API is a documented contract that lets one piece of software ask another to do something.