Re: All hail Neo!
From: Hugo Kornelis <hugo_at_perFact.REMOVETHIS.info.INVALID>
Date: Fri, 28 Apr 2006 00:20:48 +0200
Message-ID: <mqg252hc3t1kndqub9fdfiufa0jqln1n93_at_4ax.com>
Date: Fri, 28 Apr 2006 00:20:48 +0200
Message-ID: <mqg252hc3t1kndqub9fdfiufa0jqln1n93_at_4ax.com>
On 27 Apr 2006 10:32:16 -0700, JOG wrote:
(snip)
Hi JOG,
Only if the age attribute is not nullable. Otherwise, the proposition is
either
>With RM, by defining a relation we are, in fact, adding the extra
>proposition:
>
>* Every person has a name and an age.
* Every person might haev a name and an age
or
* Every person has a name and might have an age
(depending on nullability of the name)
Best, Hugo Received on Fri Apr 28 2006 - 00:20:48 CEST