Re: Another view on analysis and ER

JOG wrote:

>> By contrast I think a relationship is characterised as only being
>> identified by the entities that it relates.
>
>Well, coupla things. Relationships can have attributes too, and they
>can be part of the identifying set. And second, the attributes of an
>entity... well why can't they too be entities? Consider a 'team'
>entity say. It could be identified by the players in it. And those
>players are all entities themselves right? Perhaps there is a formal
>distinction between relationships and entities but I'm yet to read
>one, so until then, I have to posit that there is no difference
>between them.

Hmm ... and to think that I am having this whole discussion with you elsewhere, in which my argument is *entirely based* on this distinction.

I guess we humans are not so good at unique identification of concepts as we like to think :(

-- 
Reinier