17.02.2010 9:26, mivi71dk wrote:

> One of my colleques suggests that we just create a table in the DB set a entry to either active og inactive.
> This way we can control it.
> The flaw here is, that if the program terminates unexpectly the program will be seen as active.

This flaw can be cured if you use database onconnect/ondetach
triggers to work with this table instead of application code. I'm not
sure though in which FB version these triggers appeared.
On the other hand all this is in vain if your client, wanting to
bypass your license, set up Firebird cluster.

--
SY, SD.