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

>
> At 07:01 PM 22/10/2007, Luigi Augello wrote:
> >Hello
> >I need to know if is possible and how I can do to add a field into
> >users' table of a Firebird's v. 2.0 database
>
> You have to be logged in as the owner of the table.
>
> alter table MyTable
> add NewField <attributes>;
>
> commit;
>
> ./heLen
>

I'm sorry maybe I didn't explain very well. I would modified
users'tables of system database(security2.fdb) that I cannot open.

Tanks
Luigi Augello