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Re: Full Name as Composite Attribute

From: Troels Arvin <troels_at_arvin.dk>
Date: Mon, 28 Mar 2005 20:52:02 +0200
Message-ID: <pan.2005.03.28.18.52.02.338788@arvin.dk>


On Mon, 28 Mar 2005 16:38:48 +0000, David Cressey wrote:

> "Full Name", as one attribute of a person, even though it is composed of
> smaller attributes, makes a lot of sense.

Isn't this the same problem as "what's an atomic value"? A word (a string) is composed of individual syllables and characters. So is the word atomic? - I'd say "yes", because it looses meaning if dissected. In Date's "Introduction to Database Systems", I think I've read Date's definition of "atomic" as "without user-visible parts", however that definition is still not very practical. So how is an "atomic value" defined?

-- 
Greetings from Troels Arvin, Copenhagen, Denmark
Received on Mon Mar 28 2005 - 12:52:02 CST

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