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	<title>The Pythian Blog &#187; variables</title>
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		<title>Videos of Pythian Sessions from the 2010 O&#8217;Reilly MySQL Conference and Expo</title>
		<link>http://www.pythian.com/news/11247/pythian-2010-mysqlconf/</link>
		<comments>http://www.pythian.com/news/11247/pythian-2010-mysqlconf/#comments</comments>
		<pubDate>Tue, 20 Apr 2010 21:09:37 +0000</pubDate>
		<dc:creator>Sheeri Cabral</dc:creator>
				<category><![CDATA[MySQL]]></category>
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		<category><![CDATA[mk-query-digest]]></category>
		<category><![CDATA[mk-table-checksum]]></category>
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		<category><![CDATA[query optimization]]></category>
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		<category><![CDATA[variables]]></category>
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		<description><![CDATA[Here&#8217;s a sneak peek at a video matrix &#8212; this is all the videos that include Pythian Group employees at the MySQL conference. I hope to have all the rest of the videos processed and uploaded within 24 hours, with a matrix similar to the one below (but of course with many more sessions). TitlePresenterSlidesVideo [...]]]></description>
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		<title>Contradiction for the Day</title>
		<link>http://www.pythian.com/news/2848/contradiction-for-the-day/</link>
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		<pubDate>Tue, 09 Jun 2009 20:36:07 +0000</pubDate>
		<dc:creator>Sheeri Cabral</dc:creator>
				<category><![CDATA[MySQL]]></category>
		<category><![CDATA[dynamic variables]]></category>
		<category><![CDATA[server variables]]></category>
		<category><![CDATA[variables]]></category>

		<guid isPermaLink="false">http://www.pythian.com/news/?p=2848</guid>
		<description><![CDATA[Today&#8217;s contradiction: MySQL has server variables named new and old. The new variable can be set per-session and globally, and is dynamic. The old variable is not dynamic, and only global in scope. Both default to FALSE in MySQL 5.1. According to the manual, the new variable: was used in MySQL 4.0 to turn on [...]]]></description>
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		<title>I apparently have_community_features</title>
		<link>http://www.pythian.com/news/2333/i-apparently-have_community_features/</link>
		<comments>http://www.pythian.com/news/2333/i-apparently-have_community_features/#comments</comments>
		<pubDate>Mon, 04 May 2009 19:45:29 +0000</pubDate>
		<dc:creator>Sheeri Cabral</dc:creator>
				<category><![CDATA[MySQL]]></category>
		<category><![CDATA[community]]></category>
		<category><![CDATA[features]]></category>
		<category><![CDATA[have_community_features]]></category>
		<category><![CDATA[server variables]]></category>
		<category><![CDATA[variables]]></category>

		<guid isPermaLink="false">http://www.pythian.com/news/?p=2333</guid>
		<description><![CDATA[Do you have_community_features? I do! SHOW GLOBAL VARIABLES LIKE 'have_community_features'; +-------------------------+-------+ &#124; Variable_name &#124; Value &#124; +-------------------------+-------+ &#124; have_community_features &#124; YES &#124; +-------------------------+-------+ 1 row in set (0.00 sec) I am pretty sure this is one of those variables that MySQL has put in as an unused placeholder, but for now, it is not even [...]]]></description>
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