> Dunno if this has been posted yet, but might be a useful document to
> some
> ...
>
> http://www.topicscape.com/InterBase_Firebird_migration/IB2FB.php

Some of the limitations mentioned in the article are strange, some of
them require more explanations (like inability to use COMMIT after
SELECT). I have contacted them and offered them help to go through
each limitation/issue they have mentioned and find the reason for it.

Roman