> For the complete documentation index, see [llms.txt](https://docs.collibra.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.collibra.com/data-quality-self-hosted/architecture/architecture-diagram/erd.md).

# ERD

Please note there are over 110 tables in the underlying Postgres database and many are for application settings.

![Collibra DQ Entity Relationship Diagram](https://4121921244-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FWCrP7Albs8DfJjIQxUxw%2Fuploads%2Fgit-blob-63e281ffe83954a14dec144955066542fe940ff5%2Fimage-103.png?alt=media)