--- In firebird-support@yahoogroups.com, Helen Borrie <helebor@t...>
wrote:

[CUT]

> I don't know what "annidiate" would be...

Sorry , nested CASE.

[CUT]

> Don't write triggers that do things to the table that owns the
> trigger. You'll get into an endless loop, where the operation

causes the

> trigger to fire which causes another operation which causes the

trigger to

> fire which causes another operation which causes the trigger to

fire

> which..........................
>
> /heLen

Yes, obviously. But thanks for the warning.

Thanks
Ciao

Andrea Chiado' Piat