> May be it would be a good idea to throw out BDE but I have a big
> application developped using BDE and DBF tables and at this
> moment I'm trying to change it to work with InterBase. So, the
> easiest way is to continue using BDE. If I don't use BDE I have
> to rewrite a lot of code.
>
> Additionally, IBO is nof free.
>
> I already made almost everything work but I'm still looking for a
> solution to this problem of "nested transactions".

please explain - do you really mean nested transactions or someting else. BDE did not support nested transactions (AFAIK) so what is it exactly you are trying to re-produce?
Alan