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: Negative Numbers in "Identity" or" Autonumber" fields

Re: Negative Numbers in "Identity" or" Autonumber" fields

From: paul c <toledobythesea_at_oohay.ac>
Date: Tue, 20 Mar 2007 22:13:17 GMT
Message-ID: <10ZLh.44608$DN.20640@pd7urf2no> 





-CELKO- wrote:


> ...

> (2)  Two relations may have user-controlled keys defined on distinct

> domains (e.g. one uses social security, while the other uses employee

> serial numbers) and yet the entities denoted are the same.

> ...




People have been questioning that paper for years.  Not to discount it, 
here's my first question: what if the same person was an employee of 
both companies before they merged?  Is he now two employees?



p
Received on Tue Mar 20 2007 - 17:13:17 CDT












Original text of this message













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