Re: Database design

"x" <x_at_not-exists.org> wrote:

>"Mark Johnson" <102334.12_at_compuserve.com> wrote in message
>news:oufov1lg3bkmjf5ce1ipmi4di6r3efj4e6_at_4ax.com...

>> Flat in the context of a heirarchy. If a relation is simply an
>> unordered list, sorted or not, it is flat. But it's a very informal
>> and loose characterization, which seems to have rubbed some the wrong
>> way; perhaps sparking, in a fuzzy and weakly vague fashion, an
>> objection to those who would somehow wish to call multi-dimensions, or
>> a Cartesian product, flat. But I don't know.

>Please take the time to write a mathematical definition of a hierarchy

Do you really disagree with what I wrote, above? Received on Wed Feb 22 2006 - 20:00:04 CET