Re: What is a Relationship !?

"ranger" <ranger101_at_hotmail.co.il> wrote in message news:d6cdf6f8.0311191432.58dabe3c_at_posting.google.com...
> Hello there,
>
> I feel like most of the papers I have read about E-R seem to be avoiding
> really dealing with the questions in particular relationships
> what to they mean a relationship is the association of entities ???
>
> Is a relationship the fact that they are related e.g. book on a shelf
> meaning that the place of a book is on the shelf
> i.e. something that he is like the height of a man ???
>
> Or is a relationship something by itself that is the relationship
> e.g. component in recipe meaning a physical something that is
> the same as the component and is in the recipe ???
>
> Please help ! the words are starting to lose their meanings.

The distinction between an entity and a relationship is arbitrary. The relational model represents either as a relation. Received on Thu Nov 20 2003 - 00:21:00 CET