DB Diagrams

Open-source systems

Wikis

The database structure of MediaWiki. Plan an extension, or learn how a wiki keeps pages and their revisions.

1 diagram

Build on open source, and respect its license. These diagrams document open-source systems. Use them to plan plugins and data model amendments, or as inspiration for a system of your own, within the terms of each project’s license (GPL, MIT, PostgreSQL License…). You’ll find the license on every diagram page.

MariaDB ER diagram GPL v2+

MediaWiki – online ER diagram

MediaWiki is a collaboration and documentation platform. See the database structure in a form of an entity relationship diagram.