Not sure, but I think the Delphi component from these guys also does data:
http://www.clevercomponents.com/home/news.asp
(Database comparer)

Might help :)

Mark

Todd Fisher wrote:

>Hi,
> I'm creating an online update system for embedded applications. I'd
>like to create a diff algorithm for a firebird database file. Does
>anyone have any ideas or know of anyone who has tried this? Any
>suggestions or recommendations for how to approach this problem would
>be welcome :-)
>
>thanks,
>
>todd
>
>