Re: Date of Birth as an attribute
Date: Wed, 7 Apr 2004 09:49:52 -0400
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
> It strikes me that the connection between attributes and entities (or
> relationships) is more subject matter dependent than a lot of us like to
> For example, "date of birth" is an attribute of a person in a personnel
> But it's an attribute of a birth, in a birthing center.
> Your thoughts?
Received on Wed Apr 07 2004 - 15:49:52 CEST