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	<title>The Pythian Blog &#187; SHOW [GLOBAL] VARIABLES</title>
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		<title>Trivial MySQL Variable of the Day</title>
		<link>http://www.pythian.com/news/2963/trivial-mysql-variable-of-the-day/</link>
		<comments>http://www.pythian.com/news/2963/trivial-mysql-variable-of-the-day/#comments</comments>
		<pubDate>Wed, 17 Jun 2009 14:44:24 +0000</pubDate>
		<dc:creator>Sheeri Cabral</dc:creator>
				<category><![CDATA[MySQL]]></category>
		<category><![CDATA[old_alter_table]]></category>
		<category><![CDATA[server variable]]></category>
		<category><![CDATA[SHOW [GLOBAL] VARIABLES]]></category>
		<category><![CDATA[variable]]></category>

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		<description><![CDATA[Today&#8217;s trivial MySQL system variable: old_alter_table The interesting bit is that this is a system variable, and shows up in SHOW GLOBAL VARIABLES, but is not documented on the Server System Variables manual page. Instead, it is documented on the manual page for Server options. Unfortunately, that documentation is very sparse. It tells us: old-alter-table [...]]]></description>
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		<title>Three Clever MySQL Diagnostic Tools</title>
		<link>http://www.pythian.com/news/1415/three-clever-mysql-diagnostic-tools/</link>
		<comments>http://www.pythian.com/news/1415/three-clever-mysql-diagnostic-tools/#comments</comments>
		<pubDate>Mon, 15 Dec 2008 16:24:02 +0000</pubDate>
		<dc:creator>Gerry Narvaja</dc:creator>
				<category><![CDATA[MySQL]]></category>
		<category><![CDATA[maatkit]]></category>
		<category><![CDATA[MySQL Tuner]]></category>
		<category><![CDATA[query profiler]]></category>
		<category><![CDATA[SHOW [GLOBAL] STATUS]]></category>
		<category><![CDATA[SHOW [GLOBAL] VARIABLES]]></category>
		<category><![CDATA[tools]]></category>
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		<description><![CDATA[Last week I had to confront one of those situations where you can&#8217;t really tell what is going on with a piece of software, and the final conclusion would sound completely crazy if postulated as the initial hypothesis. The regular MySQL commands and utilities fall short in these cases, so I had to resort to [...]]]></description>
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