It is always entirely subject matter dependent at the logical level (ERD).
It only has the opportunity to become otherwise during the conversion from
the logical to the physical.
"Laconic2" <laconic2_at_comcast.net> wrote in message
news:fpKdnXkp8Z2QmOnd4p2dnA_at_comcast.com...
> It strikes me that the connection between attributes and entities (or
> relationships) is more subject matter dependent than a lot of us like to
> admit.
>
> For example, "date of birth" is an attribute of a person in a personnel
> system.
>
> But it's an attribute of a birth, in a birthing center.
>
> Your thoughts?
>
>
Received on Wed Apr 07 2004 - 08:49:52 CDT
