> >
> > Do you have a field called rdb$db_key in your table mytable?? ie Does
> > this work?
> >
> > select rdb$db_key
> > from mytable
> >
> > Adam
> >
> All tables have this field. It represents the unique row id for a table.
>
>
> Bupp

of course, you also know it does not persist, don't you
Alan