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	<title>IT Answers &#187; Natural Keys</title>
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		<item>
		<title>Plausability of natural key as primary key</title>
		<link>http://itknowledgeexchange.techtarget.com/itanswers/plausability-of-natural-key-as-primary-key/</link>
		<comments>http://itknowledgeexchange.techtarget.com/itanswers/plausability-of-natural-key-as-primary-key/#comments</comments>
		<pubDate>Tue, 31 Mar 2009 12:08:11 +0000</pubDate>
		<dc:creator>Bdpowell</dc:creator>
				<category><![CDATA[Natural Keys]]></category>
		<category><![CDATA[Primary keys]]></category>
		<category><![CDATA[Surrogate Keys]]></category>

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		<description><![CDATA[If you have a field in a table that is a natural key and meets all the criteria for a Primary key, is it advisable to use that natural key as your Primary? Or is it a better idea to assign a surrogate key (i.e. autonumber for TrainingProgramID instead of using TrainingProgramName)? Thanks in advance [...]]]></description>
				<content:encoded><![CDATA[<p>If you have a field in a table that is a natural key and meets all the criteria for a Primary key, is it advisable to use that natural key as your Primary?  Or is it a better idea to assign a surrogate key (i.e. autonumber for TrainingProgramID instead of using TrainingProgramName)?  Thanks in advance for your help!</p>
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