I haven't looked into this myself, but as a starting point try
reading from about page 50 of the apiguide and you'll get some
ideas. That part of the apiguide, plus the detailed descriptions of
the ISC_ calls later on, will give you some clues.

Regards,
Andrew Ferguson

--- In ib-support@y..., "Diego Gomez" <diego.gomez@p...> wrote:
> how can i know if an user uses only one database, and doesnt make
another
> database with the same username, password and server name, and uses
both of
> them in the same application?
>
> I would like to know how to recognize a database (instance) as the
one an
> only the user can make, the only one than my application recognizes.
>
> By the way , my application is in Delphi 4, and im using interbase
5 for the
> Database.
>
> Can you help me?
>
> Thanks in advance