Re: Normalisation

Jan Hidders wrote:
>> Well, the "atomicity" definition doesn't hold up under scrutiny, and
>> the "you shouldn't have more than one column about the same thing"
>> definition is too informal.
>
> Yeah, that's what Date claims. Many disagree, including me.

You think that atomicity is a well defined concept?

Are values in domains not atomic by definition, irrespective of any internal structure they may have? (Structure invisible to the relational operators, that is).

Paul. Received on Sun Jul 03 2005 - 00:18:59 CEST