Jonathan Lewis wrote:
> "DA Morgan" <damorgan_at_psoug.org> wrote in message
> news:1180376147.132147_at_bubbleator.drizzle.com...
>> David Portas wrote:
>>> Daniel, some time ago I pointed out that your description of Second
>>> Normal Form is wrong:
>>> http://www.psoug.org/reference/normalization.html
>>>
>> With respect to the 2NF definition I have looked at it several times
>> and do not see the issue to which you are alluding. Please contact me
>> off-line and be specific.
>
>
> Daniel,
>
> I'll take a guess that the objection is to the description:
>
> when tables do not have composite primary keys
>
> Although you have given an interpretation of what you mean
> by saying this, the wording will almost certainly make people
> think you mean 'single column' keys, rather than "keys of which
> a subsection can still be a key".
That makes sense. I will clarify in the write-up. Thanks.
--
Daniel A. Morgan
University of Washington
damorgan_at_x.washington.edu
(replace x with u to respond)
Puget Sound Oracle Users Group
www.psoug.org
Received on Mon May 28 2007 - 14:51:36 CDT
