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	<title>Charles Hooper&#039;s Oracle Notes</title>
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	<description>Miscellaneous Random Oracle Topics: Stop, Think, ... Understand</description>
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		<title>Charles Hooper&#039;s Oracle Notes</title>
		<link>http://hoopercharles.wordpress.com</link>
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		<title>Parent-Child Relationships and the Questions Left Unanswered by TKPROF, Re-Learning Something Old</title>
		<link>http://hoopercharles.wordpress.com/2012/01/30/parent-child-relationships-and-the-questions-left-unanswered-by-tkprof-re-learning-something-old/</link>
		<comments>http://hoopercharles.wordpress.com/2012/01/30/parent-child-relationships-and-the-questions-left-unanswered-by-tkprof-re-learning-something-old/#comments</comments>
		<pubDate>Mon, 30 Jan 2012 06:00:20 +0000</pubDate>
		<dc:creator>Charles Hooper</dc:creator>
				<category><![CDATA[Performance]]></category>

		<guid isPermaLink="false">http://hoopercharles.wordpress.com/?p=5968</guid>
		<description><![CDATA[January 30, 2012 As we have seen in the past, TKPROF output sometimes lies, and in a recent OTN thread I was reminded of another case or two where TKPROF output may be misleading.  In the OTN thread, the original poster (OP) started the thread by asking a simple question about an execution plan that appeared [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=hoopercharles.wordpress.com&amp;blog=10738606&amp;post=5968&amp;subd=hoopercharles&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Charles Hooper</media:title>
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		<title>Non-Specific Index Hints</title>
		<link>http://hoopercharles.wordpress.com/2012/01/24/non-specific-index-hints/</link>
		<comments>http://hoopercharles.wordpress.com/2012/01/24/non-specific-index-hints/#comments</comments>
		<pubDate>Tue, 24 Jan 2012 20:39:22 +0000</pubDate>
		<dc:creator>Charles Hooper</dc:creator>
				<category><![CDATA[SQL]]></category>

		<guid isPermaLink="false">http://hoopercharles.wordpress.com/?p=5935</guid>
		<description><![CDATA[January 24, 2012 (Modified January 25, 2012) As I read the &#8220;Troubleshooting Oracle Performance&#8221; book for the second time a couple of months ago, I made note on page 385 that it was possible to specify table columns in an index hint, rather than specifying specific index names (or just specifying the table name).  This might be [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=hoopercharles.wordpress.com&amp;blog=10738606&amp;post=5935&amp;subd=hoopercharles&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Charles Hooper</media:title>
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		<title>Finding the Next Primary Key Value, a Pre-fixed Solution</title>
		<link>http://hoopercharles.wordpress.com/2012/01/20/finding-the-next-primary-key-value-a-pre-fixed-solution/</link>
		<comments>http://hoopercharles.wordpress.com/2012/01/20/finding-the-next-primary-key-value-a-pre-fixed-solution/#comments</comments>
		<pubDate>Fri, 20 Jan 2012 06:00:51 +0000</pubDate>
		<dc:creator>Charles Hooper</dc:creator>
				<category><![CDATA[SQL]]></category>
		<category><![CDATA[VBS]]></category>

		<guid isPermaLink="false">http://hoopercharles.wordpress.com/?p=5912</guid>
		<description><![CDATA[January 20, 2012 A request for assistance came in from an ERP mailing list.  The original poster (OP) is running an unspecified version of Oracle Database 9i, and is in need of a solution to generate new part numbers with prefixed characters that describe the type of part, followed by a sequential number that is [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=hoopercharles.wordpress.com&amp;blog=10738606&amp;post=5912&amp;subd=hoopercharles&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Charles Hooper</media:title>
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			<media:title type="html">FindingNextPrimaryKey1</media:title>
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			<media:title type="html">FindingNextPrimaryKey2</media:title>
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		<title>What Number Immediately Follows 3,999? Oracle Database Refuses to Answer</title>
		<link>http://hoopercharles.wordpress.com/2012/01/16/what-number-immediately-follows-3999-oracle-database-refuses-to-answer/</link>
		<comments>http://hoopercharles.wordpress.com/2012/01/16/what-number-immediately-follows-3999-oracle-database-refuses-to-answer/#comments</comments>
		<pubDate>Mon, 16 Jan 2012 06:00:24 +0000</pubDate>
		<dc:creator>Charles Hooper</dc:creator>
				<category><![CDATA[SQL]]></category>

		<guid isPermaLink="false">http://hoopercharles.wordpress.com/?p=5901</guid>
		<description><![CDATA[January 16, 2012 I put together a test case to demonstrate how the physical reads autotrace statistic could exceed the consistent gets autotrace statistic if a single-pass or multi-pass workarea execution were performed during the execution of the SQL statement.  If you are interested, you can see the test case in this recent OTN thread.  [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=hoopercharles.wordpress.com&amp;blog=10738606&amp;post=5901&amp;subd=hoopercharles&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>8</slash:comments>
	
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			<media:title type="html">Charles Hooper</media:title>
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		<title>OT: Do Search Terms Describe the Visitor?</title>
		<link>http://hoopercharles.wordpress.com/2012/01/12/ot-do-search-terms-describe-the-visitor/</link>
		<comments>http://hoopercharles.wordpress.com/2012/01/12/ot-do-search-terms-describe-the-visitor/#comments</comments>
		<pubDate>Thu, 12 Jan 2012 06:00:23 +0000</pubDate>
		<dc:creator>Charles Hooper</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://hoopercharles.wordpress.com/?p=5890</guid>
		<description><![CDATA[January 12, 2012 I thought that I would start this slightly off topic blog article with a bit of humor.  Seven months ago I wrote a blog article that refuses to move from the first position in the most visited articles on this blog.  In the process of trying to understand why a mathematics focused article [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=hoopercharles.wordpress.com&amp;blog=10738606&amp;post=5890&amp;subd=hoopercharles&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Charles Hooper</media:title>
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		<title>Dumping Trace Events &#8211; What You See is Not Necessarily What You Get</title>
		<link>http://hoopercharles.wordpress.com/2012/01/09/dumping-trace-events-what-you-see-is-not-necessarily-what-you-get/</link>
		<comments>http://hoopercharles.wordpress.com/2012/01/09/dumping-trace-events-what-you-see-is-not-necessarily-what-you-get/#comments</comments>
		<pubDate>Mon, 09 Jan 2012 06:01:00 +0000</pubDate>
		<dc:creator>Charles Hooper</dc:creator>
				<category><![CDATA[Performance]]></category>

		<guid isPermaLink="false">http://hoopercharles.wordpress.com/?p=5771</guid>
		<description><![CDATA[January 9, 2012 A recent thread in the comp.databases.oracle.server Usenet group brought back memories of when Randolf Geist and I worked on the two chapters for the &#8220;Expert Oracle Practices&#8221; book.  In the chapters, among other things, we demonstrated how to enable 10046 trace files for sessions using various approaches (some of the approaches change the SQL_TRACE, SQL_TRACE_WAITS, [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=hoopercharles.wordpress.com&amp;blog=10738606&amp;post=5771&amp;subd=hoopercharles&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://hoopercharles.wordpress.com/2012/01/09/dumping-trace-events-what-you-see-is-not-necessarily-what-you-get/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Charles Hooper</media:title>
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		<title>Faulty Quotes 7 &#8211; Deadlock Kills Sessions?</title>
		<link>http://hoopercharles.wordpress.com/2012/01/04/faulty-quotes-7-deadlock-kills-sessions/</link>
		<comments>http://hoopercharles.wordpress.com/2012/01/04/faulty-quotes-7-deadlock-kills-sessions/#comments</comments>
		<pubDate>Wed, 04 Jan 2012 12:55:30 +0000</pubDate>
		<dc:creator>Charles Hooper</dc:creator>
				<category><![CDATA[Deadlock]]></category>
		<category><![CDATA[Faulty Quotes]]></category>

		<guid isPermaLink="false">http://hoopercharles.wordpress.com/?p=5812</guid>
		<description><![CDATA[January 4, 2012 (Back to the Previous Post in the Series) I thought that I would begin this blog article with a bit of a test case that demonstrates a very simple deadlock between two sessions. In Session 1 (create the test table with a primary key and insert a single row): CREATE TABLE T1 (   [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=hoopercharles.wordpress.com&amp;blog=10738606&amp;post=5812&amp;subd=hoopercharles&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://hoopercharles.wordpress.com/2012/01/04/faulty-quotes-7-deadlock-kills-sessions/feed/</wfw:commentRss>
		<slash:comments>10</slash:comments>
	
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			<media:title type="html">Charles Hooper</media:title>
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		<item>
		<title>What is the Meaning of the %CPU Column in an Explain Plan? 2</title>
		<link>http://hoopercharles.wordpress.com/2012/01/01/what-is-the-meaning-of-the-cpu-column-in-an-explain-plan-2/</link>
		<comments>http://hoopercharles.wordpress.com/2012/01/01/what-is-the-meaning-of-the-cpu-column-in-an-explain-plan-2/#comments</comments>
		<pubDate>Sun, 01 Jan 2012 13:00:38 +0000</pubDate>
		<dc:creator>Charles Hooper</dc:creator>
				<category><![CDATA[SQL]]></category>

		<guid isPermaLink="false">http://hoopercharles.wordpress.com/?p=5788</guid>
		<description><![CDATA[January 1, 2012 (Back to the Previous Post in the Series) Nearly two years ago I posted the following execution plan in a blog article and asked whether or not there was anything strange about the %CPU column: -------------------------------------------------------------------------------------------------------------- &#124; Id  &#124; Operation            &#124; Name     &#124; Rows  &#124; Bytes &#124; Cost (%CPU)&#124; Time     &#124;    TQ  [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=hoopercharles.wordpress.com&amp;blog=10738606&amp;post=5788&amp;subd=hoopercharles&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://hoopercharles.wordpress.com/2012/01/01/what-is-the-meaning-of-the-cpu-column-in-an-explain-plan-2/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Charles Hooper</media:title>
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		<title>Book Review: Oracle Core Essential Internals for DBAs and Developers</title>
		<link>http://hoopercharles.wordpress.com/2011/12/25/book-review-oracle-core-essential-internals-for-dbas-and-developers/</link>
		<comments>http://hoopercharles.wordpress.com/2011/12/25/book-review-oracle-core-essential-internals-for-dbas-and-developers/#comments</comments>
		<pubDate>Sun, 25 Dec 2011 13:46:07 +0000</pubDate>
		<dc:creator>Charles Hooper</dc:creator>
				<category><![CDATA[Book Review]]></category>

		<guid isPermaLink="false">http://hoopercharles.wordpress.com/?p=5773</guid>
		<description><![CDATA[December 25, 2011 (Modified December 29, 2011) Digging Deeply into Oracle Internal Processing when the Oracle Wait Interface is Insufficient http://www.amazon.com/Oracle-Core-Essential-Internals-Developers/dp/1430239549 I pre-ordered a paperback copy of this book three months ago from Amazon and also purchased a PDF copy of the book from Apress.  It was a long, nearly six year wait since the [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=hoopercharles.wordpress.com&amp;blog=10738606&amp;post=5773&amp;subd=hoopercharles&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://hoopercharles.wordpress.com/2011/12/25/book-review-oracle-core-essential-internals-for-dbas-and-developers/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Charles Hooper</media:title>
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		<title>The Transforming Face of the Oracle Support Site</title>
		<link>http://hoopercharles.wordpress.com/2011/12/23/the-transforming-face-of-the-oracle-support-site/</link>
		<comments>http://hoopercharles.wordpress.com/2011/12/23/the-transforming-face-of-the-oracle-support-site/#comments</comments>
		<pubDate>Fri, 23 Dec 2011 16:05:08 +0000</pubDate>
		<dc:creator>Charles Hooper</dc:creator>
				<category><![CDATA[General Administration]]></category>

		<guid isPermaLink="false">http://hoopercharles.wordpress.com/?p=5762</guid>
		<description><![CDATA[December 23, 2011 A day or two ago I saw an announcement that the HTML (non-Flash) version of the Oracle Support site was to be phased out in January 2012.  It seems like the last time I tried to use that site, the search functionality did not quite work for Oracle Database products; I gave up on [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=hoopercharles.wordpress.com&amp;blog=10738606&amp;post=5762&amp;subd=hoopercharles&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://hoopercharles.wordpress.com/2011/12/23/the-transforming-face-of-the-oracle-support-site/feed/</wfw:commentRss>
		<slash:comments>6</slash:comments>
	
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			<media:title type="html">Charles Hooper</media:title>
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