Re: PIZZA time again :-)

David Cressey wrote:
>
> You can ALWAYS represent a set as if it were a list, by simply presenting
> the elements in an arbitrary order. You can ALWAYS represent a list as if
> it were a set, by including an attribute that marks each element's position
> in the list.
>
> The question is not WHETHER the above can be done. The question is WHEN it
> SHOULD be done.

The question the above rasises for me is:

If we can ALWAYS do either of the above, then why can't this just be considered a view on the data? In other words, why can't we pick which view we want when we want it?

Marshall Received on Wed Sep 07 2005 - 05:45:18 CEST