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	<title>SQL Server Performance &#187; SQL</title>
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	<description>SQL Server Performance Tuning</description>
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		<title>Tuning your SQL Query – Generating a Proper Execution Plan.</title>
		<link>http://www.sql-server-performance.com/2012/tuning-sql-query-execution-plan/</link>
		<comments>http://www.sql-server-performance.com/2012/tuning-sql-query-execution-plan/#comments</comments>
		<pubDate>Wed, 14 Nov 2012 05:15:12 +0000</pubDate>
		<dc:creator>satnam singh</dc:creator>
				<category><![CDATA[Developer]]></category>
		<category><![CDATA[General DBA]]></category>
		<category><![CDATA[Performance Tuning]]></category>
		<category><![CDATA[SQL]]></category>
		<category><![CDATA[T-SQL]]></category>
		<category><![CDATA[TSQL]]></category>
		<guid isPermaLink="false">http://www.sql-server-performance.com/?p=3327</guid>
		<description><![CDATA[Recently one of my developers came to and complained of slow performance on a particular query. During the investigation I noticed that the primary cause was the poor query execution plan. In this article, I will discuss the approach which I used to improve the execution plan. For demonstration purpose, I will be creating a [...]]]></description>
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		<title>Whether to use UNION or OR in SQL Server Queries</title>
		<link>http://www.sql-server-performance.com/2011/union-or-sql-server-queries/</link>
		<comments>http://www.sql-server-performance.com/2011/union-or-sql-server-queries/#comments</comments>
		<pubDate>Tue, 24 May 2011 03:43:42 +0000</pubDate>
		<dc:creator>Dinesh Asanka</dc:creator>
				<category><![CDATA[Developer]]></category>
		<category><![CDATA[General DBA]]></category>
		<category><![CDATA[OR]]></category>
		<category><![CDATA[Queries]]></category>
		<category><![CDATA[SQL]]></category>
		<category><![CDATA[T-SQL]]></category>
		<category><![CDATA[UNION]]></category>
		<guid isPermaLink="false">http://www.sql-server-performance.com/?p=2504</guid>
		<description><![CDATA[Recently I came across with an article on DB2 about using Union instead of OR. So I thought of carrying out a research on SQL Server on what scenarios UNION is optimal in and which scenarios OR would be best. I will analyze this with a few scenarios using samples taken  from the AdventureWorks database [...]]]></description>
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