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Article #5

Re: Changing primary key and replicate this value

#5
From: Craig Stuntz TeamB
Date: Fri, 20 Feb 2004 16:25
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1619 bytes
David Domingo wrote:

> Then, what is the purpose of foreign keys with update cascade? ;)

	This changes the table that *references* the PK, not the PK value
itself.

	Repeat: Primary key values should never change.  If you ever feel the
need to change them then you have put business data in your PK, which
is a bad idea since PKs should never change.  :)

	In my ever-so-biased opinion,

	-Craig

-- 
Craig Stuntz [TeamB] . Vertex Systems Corp. . Columbus, OH
  Delphi/InterBase Weblog : http://delphi.weblogs.com
Everything You Need to Know About InterBase Character Sets:
  http://delphi.weblogs.com/stories/storyReader$306
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From: "Craig Stuntz [TeamB]" <cstuntz@nospam.please [a.k.a. vertexsoftware.com]>
Subject: Re: Changing primary key and replicate this value
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