Gdb stands for Garmin database. Borland InterBase database file can be opened by InterBase open source codes.
These extensions may be used in two different areas:
1-Garmin Database: It may be a map file that is used with direction finder GPS devices. These were also used with old type devices. However, the new ones include MPS files.
2-Borland InterBase Database: It is database file that developed by CodeGear firm. There are different versions that can work with many operating systems such as Linux, Windows, Mac OS X and Solaris.
In 2000, it was started to introduce with open source code softwares.
What to use GDB
InterBase Open source codes
which page related to GDB file
GDB Related Searches
You can check related links about GDB fileextension.