If you know this is truly a database file, then these programs may help you out.
There are other programs and applications that use this file extension as well such as.
Skype uses format for chat history
and GSC Game World games in games like
S.T.A.L.K.E.R.: Shadow of Chernobyl, and others ;they are similar to .GCF files used by Valve-based games
Or you can do DBF Recovery
manually, which is a complete solution.