A database is an organized collection of inter-related data that models some aspect of the real-world. Data is stored and accessed in a database by a [[Database Management System|database management system (DBMS)]]. [^1] [^1]: [01 - Relational Model & Algebra (CMU Intro to Database Systems / Fall 2023)](https://youtu.be/XGMoq-D_mao?si=AfMtfkX5GnNzrQOV) %% wiki footer: Please don't edit anything below this line %% ## This note in GitHub <span class="git-footer">[Edit In GitHub](https://github.dev/data-engineering-community/data-engineering-wiki/blob/main/Concepts/Data%20Storage/Database.md "git-hub-edit-note") | [Copy this note](https://raw.githubusercontent.com/data-engineering-community/data-engineering-wiki/main/Concepts/Data%20Storage/Database.md "git-hub-copy-note")</span> <span class="git-footer">Was this page helpful? [👍](https://tally.so/r/mOaxjk?rating=Yes&url=https://dataengineering.wiki/Concepts/Data%20Storage/Database) or [👎](https://tally.so/r/mOaxjk?rating=No&url=https://dataengineering.wiki/Concepts/Data%20Storage/Database)</span>