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	<title>The Pythian Blog &#187; duplicate</title>
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		<title>Replication stopped with duplicate entry upon starting up of MySQL from cold backup</title>
		<link>http://www.pythian.com/news/26537/replication-stopped-with-duplicate-entry-upon-starting-up-of-mysql-from-cold-backup/</link>
		<comments>http://www.pythian.com/news/26537/replication-stopped-with-duplicate-entry-upon-starting-up-of-mysql-from-cold-backup/#comments</comments>
		<pubDate>Tue, 10 Jan 2012 13:00:18 +0000</pubDate>
		<dc:creator>Suresh Kuna</dc:creator>
				<category><![CDATA[Group Blog Posts]]></category>
		<category><![CDATA[MySQL]]></category>
		<category><![CDATA[Technical Blog]]></category>
		<category><![CDATA[duplicate]]></category>
		<category><![CDATA[mysql backup]]></category>

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		<description><![CDATA[A few days ago, we faced a Duplicate entry problem in the mysqld server on one of our customer’s slave after cold backup. We do regular data sync checks for all of our customer&#8217;s as daily reports and check for data discrepancies between master and slave server&#8217;s, if any got picked up by our checks [...]]]></description>
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		<title>Emergency recovery and all those small things &#8230; or RMAN DUPLICATE rerun just works!</title>
		<link>http://www.pythian.com/news/16447/emergency-recovery-and-all-those-small-things-or-rman-duplicate-rerun-just-works/</link>
		<comments>http://www.pythian.com/news/16447/emergency-recovery-and-all-those-small-things-or-rman-duplicate-rerun-just-works/#comments</comments>
		<pubDate>Mon, 13 Sep 2010 03:07:17 +0000</pubDate>
		<dc:creator>Yury Velikanov</dc:creator>
				<category><![CDATA[Group Blog Posts]]></category>
		<category><![CDATA[Oracle]]></category>
		<category><![CDATA[Technical Blog]]></category>
		<category><![CDATA[10g]]></category>
		<category><![CDATA[10gR2]]></category>
		<category><![CDATA[duplicate]]></category>
		<category><![CDATA[ORA-19613]]></category>
		<category><![CDATA[ORA-19615]]></category>
		<category><![CDATA[rerun]]></category>
		<category><![CDATA[rman]]></category>

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		<description><![CDATA[Hello Dear Reader, This weekend was most probably my longest oncall weekend ever. As part of our work at Pythian each team member covers weekends on regular basis. There are quiet weekends and weekends like this one ;) One of the tasks that I was involved in was 700GB database emergency cloning for an important [...]]]></description>
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		<slash:comments>4</slash:comments>
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		<title>Adding a Unique Constraint on a Table with Duplicate Data</title>
		<link>http://www.pythian.com/news/1164/adding-a-unique-constraint-on-a-table-with-duplicate-data/</link>
		<comments>http://www.pythian.com/news/1164/adding-a-unique-constraint-on-a-table-with-duplicate-data/#comments</comments>
		<pubDate>Fri, 08 Aug 2008 19:11:52 +0000</pubDate>
		<dc:creator>Nicklas Westerlund</dc:creator>
				<category><![CDATA[MySQL]]></category>
		<category><![CDATA[ALTER IGNORE]]></category>
		<category><![CDATA[constraint]]></category>
		<category><![CDATA[duplicate]]></category>

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		<description><![CDATA[After I moved back to Europe and Malta in order to set up our operations here, I was approached by a old friend of mine who wanted to know how to add a UNIQUE constraint and remove duplicates on a table, while keeping the newest records. He had been trying with ALTER TABLE but ran [...]]]></description>
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