Re: By The Dawn's Normal Light

From: erk <>
Date: 27 Oct 2004 09:59:02 -0700
Message-ID: <>

> Formal Definition:
> A relation is in first normal form (1NF) if and only if all
> simple domains contain atomic values only.
> Is this definition of 1NF correct or incorrect? And is the criterion
> for all relations, or not?
> ref:

It may be meaningless, and is probably not false.

It could be true because "atomic values" means "values"; and saying "all underlying simple domains contain values" is part of the definition of "domains", although the word "simple" in there is... well, meaningless. At least as it's used.

  • erk
Received on Wed Oct 27 2004 - 18:59:02 CEST

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