> > ADDRESS varchar(80) and EMAIL varchar(80)
> >
> > although they are the same datatype.
> >
> > It's more of a conceptual thing. Better yet, the word "domain"
> > explains it :-)
> >
>
> Quite so... but if you keep defining
>
> tbl1id integer
> tbl2id integer
> tbl3id integer
> tbl4id integer
>
> etc
> as domains, then surely you would agree that redundancy is present and
> unnecessary?

Dunno - what's the harm in defining it as INTEGER without using
an explicit INTEGER domain?

I never see system-generated domains anyway :)


With regards,

Martijn Tonies
Database Workbench - the developer tool for InterBase & Firebird
Upscene Productions
http://www.upscene.com