armstrong's axioms: augmentation - help pls
Date: Thu, 2 Dec 2004 13:05:09 +0100
why is that? i mean when Y is functional depending from X, i can't just add
another set of attributes and make them dependent as well? (at least that's
what i think)
why can i do that?
thx for help,
toni Received on Thu Dec 02 2004 - 13:05:09 CET