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	<title>SQL Server Performance &#187; Query</title>
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		<title>Improving 2D Range Query Performance in SQL Server</title>
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		<pubDate>Tue, 07 Dec 2010 01:12:50 +0000</pubDate>
		<dc:creator>Michael Asher</dc:creator>
				<category><![CDATA[Performance Tuning]]></category>
		<category><![CDATA[DateStart]]></category>
		<category><![CDATA[geospatial data]]></category>
		<category><![CDATA[independent columns]]></category>
		<category><![CDATA[Query]]></category>
		<category><![CDATA[range]]></category>
		<category><![CDATA[range queries]]></category>
		<category><![CDATA[Range Query]]></category>
		<category><![CDATA[taking a closer look]]></category>
		<category><![CDATA[WHERE]]></category>
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		<description><![CDATA[When using the BETWEEN operator on multiple columns, you are likely using a 2D range query.&#160; Such queries perform very poorly in SQL Server.&#160;&#160; This article will tell you how you can often use additional information to rewrite such queries for much better performance.&#160; We&#8217;ll conclude by rewriting an actual BETWEEN query in a manner [...]]]></description>
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		<title>SQL Server Performance Tuning Articles (All)</title>
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		<pubDate>Mon, 28 Mar 2005 03:55:58 +0000</pubDate>
		<dc:creator>SSPAdmin</dc:creator>
				<category><![CDATA[Misc]]></category>
		<category><![CDATA[Draft]]></category>
		<category><![CDATA[index]]></category>
		<category><![CDATA[initial diagnosis]]></category>
		<category><![CDATA[Query]]></category>
		<category><![CDATA[robin dewson]]></category>
		<category><![CDATA[schema changes]]></category>
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		<description><![CDATA[Performance Tuning for SQL Server Developers How to Take Advantage of SQL Server 2000 Performance Tuning Tools Implementing SQL Server in an OLTP Environment How to Do SQL Server Performance Trend Analysis Part 1: Using Performance Monitor to Log Data How to Do SQL Server Performance Trend Analysis Part 2: Storing Performance Data in SQL [...]]]></description>
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