Steam Workshop::SQLWorkbench - In-game SQLite & MySQL database viewer

Steam (service) - Wikipedia

High-level view of the three elements of the STEAM framework. The

Jrtechs Steam Friend Graph Project

GridlessDB on Steam

ER Diagram - STEAM Academy DB

Database of everything on Steam - Social Club - Spesoft Forums

Steam Database Free Packages Tool

Rumour: Half Life 3 Page Spotted In Steam Database, Beta Testing Section Mentioned

Lords of Football - Lords of Football's Database editor now fully supports Steam Workshop. Now you can share and download new custom databases from one shared location.

Steam DB - Database of Everything on Steam + Introduction + Guide + FAQ