Glebas wrote:

> I am not a lazy programmer, so that works just fine for me! :)

There are other ways to create a database whose backup cannot be
restored. For example, take a look here:

http://tracker.firebirdsql.org/browse/CORE-1592

As others have noted, the only way to make sure is to try to restore it.

--
Milan Babuskov
http://www.guacosoft.com