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	<title>Alberto Dell'Era's Oracle blog &#187; tools</title>
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	<link>http://www.adellera.it/blog</link>
	<description>A blog about Oracle - Un blog riguardo Oracle</description>
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		<title>xplan: dbms_metadata.get_ddl for tables referenced by the plan</title>
		<link>http://www.adellera.it/blog/2010/02/09/xplan-dbms_metadataget_ddl-for-tables-referenced-by-the-plan/</link>
		<comments>http://www.adellera.it/blog/2010/02/09/xplan-dbms_metadataget_ddl-for-tables-referenced-by-the-plan/#comments</comments>
		<pubDate>Tue, 09 Feb 2010 15:59:40 +0000</pubDate>
		<dc:creator>Alberto Dell'Era</dc:creator>
				<category><![CDATA[performance tuning]]></category>
		<category><![CDATA[tools]]></category>
		<category><![CDATA[xplan]]></category>

		<guid isPermaLink="false">http://www.adellera.it/blog/?p=417</guid>
		<description><![CDATA[As a minor but useful new feature, xplan is now able to integrate into its report the DDL of tables (and indexes) referenced by the plan, calling dbms_metadata.get_ddl transparently. 
This is mostly useful to get more details about referenced tables' constraints and partitions definition - to complement their CBO-related statistics that xplan reports about.
This feature [...]]]></description>
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		<slash:comments>1</slash:comments>
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		<title>Xplan 2.0</title>
		<link>http://www.adellera.it/blog/2009/08/07/xplan-20/</link>
		<comments>http://www.adellera.it/blog/2009/08/07/xplan-20/#comments</comments>
		<pubDate>Fri, 07 Aug 2009 08:11:08 +0000</pubDate>
		<dc:creator>Alberto Dell'Era</dc:creator>
				<category><![CDATA[performance tuning]]></category>
		<category><![CDATA[tools]]></category>
		<category><![CDATA[xplan]]></category>

		<guid isPermaLink="false">http://www.adellera.it/blog/?p=285</guid>
		<description><![CDATA[A lot of new features have been added in version 2.0 of xplan, the sqlplus script I use to investigate about SQL statements performance (I spoke about version 1.0 in this post). Here's a brief description.
wait profile (from ASH)
For each statement, its wait profile is calculated fetching wait information from Active Session History:

-----------------------------------------
&#124;ash event  [...]]]></description>
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		<slash:comments>11</slash:comments>
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		<title>Bind Variables Checker for Oracle &#8211; now install-free</title>
		<link>http://www.adellera.it/blog/2009/07/23/bind-variables-checker-for-oracle-now-install-free/</link>
		<comments>http://www.adellera.it/blog/2009/07/23/bind-variables-checker-for-oracle-now-install-free/#comments</comments>
		<pubDate>Thu, 23 Jul 2009 09:23:12 +0000</pubDate>
		<dc:creator>Alberto Dell'Era</dc:creator>
				<category><![CDATA[tools]]></category>

		<guid isPermaLink="false">http://www.adellera.it/blog/?p=271</guid>
		<description><![CDATA[I've finally managed to implement an install-free version of my utility to check for bind variables usage. The new script is named bvc_check.sql and when run, it examines the SQL statements stored in the library cache (through gv$sql) and dumps the ones that would be the same if the literals were replaced by bind variables. [...]]]></description>
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		<slash:comments>2</slash:comments>
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		<title>Optimizing SQL statements with xplan</title>
		<link>http://www.adellera.it/blog/2009/06/07/optimizing-sql-statements-with-xplan/</link>
		<comments>http://www.adellera.it/blog/2009/06/07/optimizing-sql-statements-with-xplan/#comments</comments>
		<pubDate>Sun, 07 Jun 2009 15:07:06 +0000</pubDate>
		<dc:creator>Alberto Dell'Era</dc:creator>
				<category><![CDATA[performance tuning]]></category>
		<category><![CDATA[tools]]></category>

		<guid isPermaLink="false">http://www.adellera.it/blog/?p=259</guid>
		<description><![CDATA[Xplan is a utility to simplify and automate the first part of every SQL statement tuning effort, that is, collecting the real plan of the statement, its execution statistics (number of executions, number of buffer gets performed, etc), getting the definition of all the accessed tables (and their indexes), and, last but not least, the [...]]]></description>
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		<slash:comments>10</slash:comments>
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