The Colonia Database, also known as the Enharean Database, is the central computer database containg the knowledge the Ancients possessed when they left Colonia. The database can be accessed anywhere in the city, but the holo room is the best place to start for first-time users. The room is known to take a toll on power relative to the terminals and the power of a Naquadah generator, however, so the Colonia Expedition uses it sparingly. Known information stored in the database includes: