Re: Database design

On Tue, 21 Feb 2006 18:14:12 -0800, Mark Johnson <102334.12_at_compuserve.com> wrote:

>"JOG" <jog_at_cs.nott.ac.uk> wrote:
>
>>This whole 'flat' debate is nonsense too. Write a database down in its
>>mathematical form, devoid of tables
>
>It is flat. A relation has no structure, unless there is some ordering
>among the attributes. The attributes are supposed to be in no
>particular order. The entries/instances/tuples are supposed to be in
>no particular order. That's just definitional.

     It is n-dimensional, one dimension per attribute. The three dimensions of Euclidean space are not in any particular order either.

Sincerely,

Gene Wirchenko Received on Wed Feb 22 2006 - 03:32:29 CET