Re: Lucid statement of the MV vs RM position?
From: Jon Heggland <jon.heggland_at_idi.ntnu.no>
Date: Wed, 03 May 2006 14:47:03 +0200
Message-ID: <e3a8o6$hg8$1_at_orkan.itea.ntnu.no>
>
> Only if they would be in the category of repeating groups or "nonsimple
> domains" such as list-valued attributes.
Date: Wed, 03 May 2006 14:47:03 +0200
Message-ID: <e3a8o6$hg8$1_at_orkan.itea.ntnu.no>
dawn wrote:
> Jon Heggland wrote:
>> So now user-defined datatypes violate 1NF as well?
>
> Only if they would be in the category of repeating groups or "nonsimple
> domains" such as list-valued attributes.
Then please say so. You're confusing the issue even more than usual with such imprecise statements. Whether a type is user-defined or not is supremely irrelevant.
(BTW, what "group" is "repeated" in a list of (say) integers?)
-- JonReceived on Wed May 03 2006 - 14:47:03 CEST