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	<title>SQL Server Planet &#187; effective dating</title>
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		<title>Using the Merge Statement to populate a historical table with Effective Dating</title>
		<link>http://sqlserverplanet.com/sql-server-2008/using-the-merge-statement-to-populate-a-historical-table-with-effective-dating</link>
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		<pubDate>Thu, 04 Jun 2009 05:31:40 +0000</pubDate>
		<dc:creator>Derek Dieter</dc:creator>
				<category><![CDATA[Data Warehouse]]></category>
		<category><![CDATA[SQL Server 2008]]></category>
		<category><![CDATA[effective dating]]></category>
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		<description><![CDATA[One of my favorite uses for the MERGE statement introduced in SQL Server 2008 is the updating of a historical table. With versions prior to 2008 this operation had to be performed in two separate statements. Merge helps us to streamline the process. The advantage to the database engine when using a Merge statement is [...]]]></description>
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