# PostgSail ERD The Entity-Relationship Diagram (ERD) provides a graphical representation of database tables, columns, and inter-relationships. ERD can give sufficient information for the database administrator to follow when developing and maintaining the database. ## A global overview Auto generated Mermaid diagram using [mermerd](https://github.com/KarnerTh/mermerd) and [MermaidJs](https://github.com/mermaid-js/mermaid). [PostgSail SQL Schema](https://github.com/xbgmsharp/postgsail/tree/main/docs/ERD/postgsail.md "PostgSail SQL Schema") ## Further There is 3 main schemas: - API Schema: - tables - metrics - logbook - ... - functions - ... - Auth Schema: - tables - accounts - vessels - ... - functions - ... - Public Schema: - tables - app_settings - tpl_messages - ... - functions - ...