> -----Original Message-----
> From: Firebird-Architect@yahoogroups.com
> [mailto:Firebird-Architect@yahoogroups.com]On Behalf Of Jim Starkey
> Sent: Miércoles, 20 de Septiembre de 2006 15:43
>
> Now, all that said, when I had to do the whole thing all over again, I
> made system tables not only non-extensible by users, but completely
> non-writable by users.

R/O sys tables bring peace of mind.
Currently it's not possible to drop a sys table but it's possible to drop a
field from a sys table.

C.