Re: Love or hate, or? domains with cardinality two
From: Nicola <nvitacolonna_at_gmail.com>
Date: Thu, 5 Nov 2015 12:14:49 +0100
Message-ID: <n1fdn9$1ig0$1_at_adenine.netfront.net>
Date: Thu, 5 Nov 2015 12:14:49 +0100
Message-ID: <n1fdn9$1ig0$1_at_adenine.netfront.net>
On 2015-11-05 11:08:15 +0000, Nicola said:
> In a relation with a boolean attribute you are effectively using a
> trick to encode both positive and negative information (true and false
> propositions), while typically in a relation schema...
that should be "in a relation instance", of course.
Nicola
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