This forum is for support issues, but post it
on firebird-architect. Architectural questions
is discussed there, most of the audience is of
Firebird core developers.

> Hi,
>
> Coming from a company (now defunct) that had a very specialized DB
> engine for extremely fast matching of thousands of criteria, I'd be
> interested to learn hos Firebird works in this regard and discuss if a
> similar technology could be implemented in firebird. This technology can
> match thousands of criteria on million record DB:s in fractions of a
> second, regardless of selectivity.
>
> What is the appropriate forum for this?