At 12:14 PM 30/09/2004 +0200, you wrote:

>As I told German, it might be that the new index structure from Arno
>improves this behaviour.
>
>That is, IF this is the problem - for which I assume that Helen is right.

Apparently not. I just got a private email from German indicating that he
doesn't believe the fairy tale about long dup chains or how easy it is to
write custom RI triggers. So there ya go. Best wait for Firebird 2 and
hope that Arno finds that silver bullet - won't be for want of trying, I'm
sure. :-)

./h