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	<title>greg&#039;s weblog &#187; MySQL</title>
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	<link>http://www.serberus.net</link>
	<description>web development and system administration</description>
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		<title>MySQL bug</title>
		<link>http://www.serberus.net/2010/04/27/bug-in-ubuntu-karmic-mysql-5-1-37-release/</link>
		<comments>http://www.serberus.net/2010/04/27/bug-in-ubuntu-karmic-mysql-5-1-37-release/#comments</comments>
		<pubDate>Tue, 27 Apr 2010 12:12:41 +0000</pubDate>
		<dc:creator>Greg Knapp</dc:creator>
				<category><![CDATA[MySQL]]></category>
		<category><![CDATA[Ubuntu]]></category>
		<category><![CDATA[Work]]></category>

		<guid isPermaLink="false">http://www.serberus.net/?p=433</guid>
		<description><![CDATA[I can&#8217;t remember the last time I stumbled across a bug in MySQL, however this morning I did.
Querying the following table to locate entities with more than one title attribute (this is a diagnostic query, not used in the application).
CREATE TABLE `entity_attr` (
  `entity_id` int(11) NOT NULL default '0',
  `entity_attr_id` int(11) NOT NULL [...]]]></description>
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		<item>
		<title>PHP UK Conference 2010 thoughts</title>
		<link>http://www.serberus.net/2010/03/02/php-uk-conference-2010-thoughts/</link>
		<comments>http://www.serberus.net/2010/03/02/php-uk-conference-2010-thoughts/#comments</comments>
		<pubDate>Tue, 02 Mar 2010 09:06:24 +0000</pubDate>
		<dc:creator>Greg Knapp</dc:creator>
				<category><![CDATA[MySQL]]></category>
		<category><![CDATA[PHP]]></category>
		<category><![CDATA[Tech Talk]]></category>
		<category><![CDATA[Work]]></category>

		<guid isPermaLink="false">http://www.serberus.net/?p=262</guid>
		<description><![CDATA[On Friday I went to the PHP UK 2010 conference in Islington, London with my colleague John Field. There were three tracks, so between us we were able to cover most talks of interest. The conference organisers have said they&#8217;ll post the slides of each talk, with sync&#8217;ed audio, online soon. I&#8217;ll link the slides [...]]]></description>
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		<title>MySQL Warnings</title>
		<link>http://www.serberus.net/2007/07/03/mysql-warnings/</link>
		<comments>http://www.serberus.net/2007/07/03/mysql-warnings/#comments</comments>
		<pubDate>Tue, 03 Jul 2007 11:09:25 +0000</pubDate>
		<dc:creator>Greg Knapp</dc:creator>
				<category><![CDATA[MySQL]]></category>
		<category><![CDATA[Tech Talk]]></category>

		<guid isPermaLink="false">http://www.serberus.net/2007/07/03/mysql-warnings/</guid>
		<description><![CDATA[My preferred tool for constructing queries against MySQL databases is the command line client. One niggle that has plagued me since I started using the client was the inability to retrieve warnings that sometimes occur on queries.
This morning I stumbled across the following in the MySQL manual:
mysql> SET GLOBAL query_cache_size = 40000;
Query OK, 0 rows [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<title>Case sensitivity in MySQL</title>
		<link>http://www.serberus.net/2007/06/24/case-sensitivity-in-mysql/</link>
		<comments>http://www.serberus.net/2007/06/24/case-sensitivity-in-mysql/#comments</comments>
		<pubDate>Sun, 24 Jun 2007 11:35:40 +0000</pubDate>
		<dc:creator>Greg Knapp</dc:creator>
				<category><![CDATA[MySQL]]></category>
		<category><![CDATA[Tech Talk]]></category>

		<guid isPermaLink="false">http://www.serberus.net/2007/06/24/case-sensitivity-in-mysql/</guid>
		<description><![CDATA[By default MySQL is not case sensitive when performing comparisons against string columns unless you explicitly declare them as BINARY in the table schema. However, I was caught out when performing a query similar to the following (prepared statement):

SELECT
  label, composer, workTitle, worksId
FROM
  labels L INNER JOIN
  composers C ON (C.id = [...]]]></description>
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		<title>84 Top MySQL Performance Tips</title>
		<link>http://www.serberus.net/2006/11/19/84-top-mysql-performance-tips/</link>
		<comments>http://www.serberus.net/2006/11/19/84-top-mysql-performance-tips/#comments</comments>
		<pubDate>Sun, 19 Nov 2006 14:07:46 +0000</pubDate>
		<dc:creator>Greg Knapp</dc:creator>
				<category><![CDATA[MySQL]]></category>

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		<description><![CDATA[A useful bookmark for any developer using MySQL: 84 tips on improving your query performance in MySQL.
]]></description>
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		<title>Upgrading from MySQL 3.23 to 5.0</title>
		<link>http://www.serberus.net/2006/06/10/upgrading-from-mysql-323-to-50/</link>
		<comments>http://www.serberus.net/2006/06/10/upgrading-from-mysql-323-to-50/#comments</comments>
		<pubDate>Sat, 10 Jun 2006 18:40:04 +0000</pubDate>
		<dc:creator>Greg Knapp</dc:creator>
				<category><![CDATA[MySQL]]></category>
		<category><![CDATA[Work]]></category>

		<guid isPermaLink="false">http://blog.serberus.net/2006/06/10/upgrading-from-mysql-323-to-50/</guid>
		<description><![CDATA[I&#8217;ve spent too many hours this week porting the company database from MySQL 3.23 to 5. This was probably a bit more painful than it needed to be because we&#8217;ve not upgraded MySQL versions&#8230; ever.
The biggest hurdles were manipulating the SQL dump file (we had to dump and re-import due to MyISAM changes between versions) [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>MySQL 5.0 not so production ready?</title>
		<link>http://www.serberus.net/2006/05/29/mysql-50-not-so-production-ready/</link>
		<comments>http://www.serberus.net/2006/05/29/mysql-50-not-so-production-ready/#comments</comments>
		<pubDate>Mon, 29 May 2006 17:06:53 +0000</pubDate>
		<dc:creator>Greg Knapp</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[MySQL]]></category>
		<category><![CDATA[PHP]]></category>

		<guid isPermaLink="false">http://blog.serberus.net/2006/05/29/mysql-50-not-so-production-ready/</guid>
		<description><![CDATA[For several months now I&#8217;ve thought MySQL 5&#8217;s push to a production ready status was more of a political move than technically justified. First I read this and again today when it came time to compile any MySQL support into PHP 5.1.4 on my newly installed Linux box I ran into problems.
We&#8217;re in the process [...]]]></description>
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