Yes, your production database is a text file really. You can encode your facts in prolog style syntax and save it in a file and that's your database. You load

Yes, your production database is a text file really. You can encode your facts in prolog style syntax and save it in a file and that's your database. You load it, and then ask your questions at the REPL. If you wanted data that multiple people can change, you can actually connect prolog to an SQL database, then using query apply prolog rules and ask questions about your data.