RE: Useful Oracle books - C.J. Date theory vs. practicality
- From: Michael Milligan <Michael.Milligan@xxxxxxxxxxx>
- To: "'oracle-l@xxxxxxxxxxxxx'" <oracle-l@xxxxxxxxxxxxx>
- Date: Fri, 28 May 2004 12:33:52 -0500
In-line
-----Original Message-----
From: Dan Tow [mailto:dantow@xxxxxxxxxxxxxx]
Sent: Friday, May 28, 2004 11:17 AM
To: oracle-l@xxxxxxxxxxxxx
Subject: RE: Useful Oracle books - C.J. Date theory vs. practicality
Thanks for the feedback, Lex, nice to hear your view on this. I have a few
comments/questions inline, below (also trimming a bit so I don't exceed the
quoted-lines limit):
Dan Tow
650-858-1557
www.singingsql.com
> DST: So, how do we handle Spouse_ID for a single person in a Persons
table?
By leaving a NULL for those single folks, we're changing the functional
dependency of the column value from the primary key to marital_status, or to
include marital_status.
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