Oracle FAQ Your Portal to the Oracle Knowledge Grid
HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US
 

Home -> Community -> Usenet -> comp.databases.theory -> Re: Multiple parent design

Re: Multiple parent design

From: Laconic2 <laconic2_at_comcast.net>
Date: Fri, 16 Apr 2004 11:45:57 -0400
Message-ID: <vu2dnTRAvoIYYuLdRVn-gg@comcast.com> 





OK, let's try another approach.



Every in service phone line has a subscriber.
Every subscriber is either a person or a company.
Every person that has a phone line is a subscriber.
Every company that has a phone line is a subscriber.



Can't we start from these assertions,  and build the tables from there?
Received on Fri Apr 16 2004 - 10:45:57 CDT












Original text of this message













  HOME |
  ASK QUESTION |
  ADD INFO |
  SEARCH |
  E-MAIL US