Re: Nearest Common Ancestor Report (XDb1's $1000 Challenge)
From: Leandro Guimaraens Faria Corsetti Dutra <leandro_at_dutra.fastmail.fm>
Date: Thu, 20 May 2004 19:39:18 -0300
Message-ID: <pan.2004.05.20.22.39.18.195600_at_dutra.fastmail.fm>
Date: Thu, 20 May 2004 19:39:18 -0300
Message-ID: <pan.2004.05.20.22.39.18.195600_at_dutra.fastmail.fm>
Em Thu, 20 May 2004 23:38:58 +0200, Hugo Kornelis escreveu:
> On 19 May 2004 20:03:18 -0700, Neo wrote:
Where did this come from?
AFAIK a data type is the domain, plus operators.
>
> (snip class/domain stuff)
>>> a datatype as a superset of many domains.
>>Suppose, car is the class of car1. Car1 has the attribute color. The
>>attribute's value can be from the domain containing red and green.
>>Would data type be red, green and blue (assume these are all the
>>colors)?
>
> No. The data type would be character.
Are you thinking SQL? AFAIU it would be {red, green} plus applicable operators.
-- Leandro Guimarães Faria Corsetti Dutra +55 (11) 5685 2219 Av Sgto Geraldo Santana, 1100 6/71 +55 (11) 5686 9607 04.674-000 São Paulo, SP BRASIL http://br.geocities.com./lgcdutra/Received on Fri May 21 2004 - 00:39:18 CEST