> Those cases I saw in other applications ALWAYS were because of very
> bad mistakes in database- and applicationdesign, and those 'designers'
> would surely be capable to crash a Firebird server with the twist of
> one finger...

As long as they are not modifying the FB-Server itself, they should
not be able to corrupt the database. The Server should prevent this.

Anyway you can always corrupt your data by delete/update/insert.

Elmar