Re: Negative Numbers in "Identity" or" Autonumber" fields
From: Bob Badour <bbadour_at_pei.sympatico.ca>
Date: Wed, 21 Mar 2007 12:00:29 GMT
Message-ID: <x79Mh.13065$PV3.135643_at_ursa-nb00s0.nbnet.nb.ca>
>
> I buy the "nothing should be hidden" argument, but I can't
> decide if a domain that only supports equality is hiding
> anything or not.
Date: Wed, 21 Mar 2007 12:00:29 GMT
Message-ID: <x79Mh.13065$PV3.135643_at_ursa-nb00s0.nbnet.nb.ca>
Marshall wrote:
> On Mar 20, 10:31 am, "JOG" <j..._at_cs.nott.ac.uk> wrote:
>
>>[...] Nothing in a >>proposition should ever be hidden from the user. Propositions come >>from outside of the logical layer after all. If an attribute is an >>identifier then it clearly impacts on identifying items in the real >>world.
>
> I buy the "nothing should be hidden" argument, but I can't
> decide if a domain that only supports equality is hiding
> anything or not.
It has to have at least one possible representation. What would that representation show? Received on Wed Mar 21 2007 - 13:00:29 CET