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	<title>The Oracle Sponge</title>
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	<description>Oracle Data Warehouse Design and Architecture</description>
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		<title>The Oracle Sponge</title>
		<link>http://oraclesponge.wordpress.com</link>
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		<item>
		<title>Independence</title>
		<link>http://oraclesponge.wordpress.com/2011/04/13/independence/</link>
		<comments>http://oraclesponge.wordpress.com/2011/04/13/independence/#comments</comments>
		<pubDate>Wed, 13 Apr 2011 10:10:27 +0000</pubDate>
		<dc:creator>David Aldridge</dc:creator>
				<category><![CDATA[Oracle]]></category>

		<guid isPermaLink="false">http://oraclesponge.wordpress.com/?p=516</guid>
		<description><![CDATA[From slashdot I see that there is once again a new language in town. Now then, there are a great many Java developers who have preached the benefits of implementing data logic (what they call business logic) in the application so-as to create RDBMS-independent code, including James Gosling who apparantly leads the pack in &#8220;not [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=oraclesponge.wordpress.com&amp;blog=263628&amp;post=516&amp;subd=oraclesponge&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>10</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">The Oracle Sponge</media:title>
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		<item>
		<title>Another DBMS_Scheduler Chain Rule Issue</title>
		<link>http://oraclesponge.wordpress.com/2011/01/20/another-dbms_scheduler-chain-rule-issue/</link>
		<comments>http://oraclesponge.wordpress.com/2011/01/20/another-dbms_scheduler-chain-rule-issue/#comments</comments>
		<pubDate>Thu, 20 Jan 2011 11:23:55 +0000</pubDate>
		<dc:creator>David Aldridge</dc:creator>
				<category><![CDATA[DBMS_Scheduler]]></category>
		<category><![CDATA[Oracle]]></category>

		<guid isPermaLink="false">http://oraclesponge.wordpress.com/?p=513</guid>
		<description><![CDATA[Following on from a recent adventure with a problem validating DBMS_Scheduler chain rules, I hit another issue today. A rule was defined with a step name that does not exist. This happened because there is an odd limit of chain step name lengths (27 bytes I think), and the name of the step in the [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=oraclesponge.wordpress.com&amp;blog=263628&amp;post=513&amp;subd=oraclesponge&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://oraclesponge.wordpress.com/2011/01/20/another-dbms_scheduler-chain-rule-issue/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">The Oracle Sponge</media:title>
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		<item>
		<title>And Another Thing &#8230;</title>
		<link>http://oraclesponge.wordpress.com/2011/01/20/and-another-thing/</link>
		<comments>http://oraclesponge.wordpress.com/2011/01/20/and-another-thing/#comments</comments>
		<pubDate>Thu, 20 Jan 2011 10:02:15 +0000</pubDate>
		<dc:creator>David Aldridge</dc:creator>
				<category><![CDATA[Forums]]></category>
		<category><![CDATA[Oracle]]></category>

		<guid isPermaLink="false">http://oraclesponge.wordpress.com/?p=510</guid>
		<description><![CDATA[Following on from my recent complaint about an all-time low on the Oracle Forums, does anyone else get the impression that the work there is not just answering questions, but seems increasingly to be correcting all of the incorrect answers? Obviously I have an example in mind. Or has it always been thus?<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=oraclesponge.wordpress.com&amp;blog=263628&amp;post=510&amp;subd=oraclesponge&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>3</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">The Oracle Sponge</media:title>
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		<item>
		<title>Solving ORA-24172: rule set %s.%s has errors</title>
		<link>http://oraclesponge.wordpress.com/2011/01/18/solving-ora-24172-rule-set-s-s-has-errors/</link>
		<comments>http://oraclesponge.wordpress.com/2011/01/18/solving-ora-24172-rule-set-s-s-has-errors/#comments</comments>
		<pubDate>Tue, 18 Jan 2011 15:01:55 +0000</pubDate>
		<dc:creator>David Aldridge</dc:creator>
				<category><![CDATA[DBMS_Scheduler]]></category>
		<category><![CDATA[Oracle]]></category>

		<guid isPermaLink="false">http://oraclesponge.wordpress.com/?p=507</guid>
		<description><![CDATA[DBMS_Scheduler chains are a joy to use, until they stop being a joy and start being a real pain. I modified the logic of a process, dropping one stored procedure and replacing it with another (instead of writing out a list of files to a control file so that a cron job can scp them [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=oraclesponge.wordpress.com&amp;blog=263628&amp;post=507&amp;subd=oraclesponge&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://oraclesponge.wordpress.com/2011/01/18/solving-ora-24172-rule-set-s-s-has-errors/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
	
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			<media:title type="html">The Oracle Sponge</media:title>
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		<item>
		<title>A New Low</title>
		<link>http://oraclesponge.wordpress.com/2011/01/13/a-new-low/</link>
		<comments>http://oraclesponge.wordpress.com/2011/01/13/a-new-low/#comments</comments>
		<pubDate>Thu, 13 Jan 2011 09:30:12 +0000</pubDate>
		<dc:creator>David Aldridge</dc:creator>
				<category><![CDATA[Oracle]]></category>

		<guid isPermaLink="false">http://oraclesponge.wordpress.com/?p=503</guid>
		<description><![CDATA[A new low on the Oracle Technet forums: a person with DBA access who can&#8217;t work out how to increase tablespace size. Hopefully not a production system. &#160;<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=oraclesponge.wordpress.com&amp;blog=263628&amp;post=503&amp;subd=oraclesponge&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>16</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">The Oracle Sponge</media:title>
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		<item>
		<title>Generating A Gap-free Series Of Numbers &#8212; Not Always A Problem</title>
		<link>http://oraclesponge.wordpress.com/2010/09/24/generating-a-gap-free-series-of-numbers-not-always-a-problem/</link>
		<comments>http://oraclesponge.wordpress.com/2010/09/24/generating-a-gap-free-series-of-numbers-not-always-a-problem/#comments</comments>
		<pubDate>Fri, 24 Sep 2010 12:25:34 +0000</pubDate>
		<dc:creator>David Aldridge</dc:creator>
				<category><![CDATA[Oracle]]></category>

		<guid isPermaLink="false">http://oraclesponge.wordpress.com/?p=493</guid>
		<description><![CDATA[Well, it&#8217;s happened again. Someone has asked how to implement a requirement to generate a gap-free series of numbers and a swarm of nay-sayers have descended on them to say (and here I paraphrase slightly) that this will kill system performance, that&#8217;s it&#8217;s rarely a valid requirement, that whoever wrote the requirement is an idiot [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=oraclesponge.wordpress.com&amp;blog=263628&amp;post=493&amp;subd=oraclesponge&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://oraclesponge.wordpress.com/2010/09/24/generating-a-gap-free-series-of-numbers-not-always-a-problem/feed/</wfw:commentRss>
		<slash:comments>12</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">The Oracle Sponge</media:title>
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		<item>
		<title>Working Around an Internal Error Based on Source Mnemonics</title>
		<link>http://oraclesponge.wordpress.com/2010/09/23/working-around-an-internal-error-based-on-source-mnemonics/</link>
		<comments>http://oraclesponge.wordpress.com/2010/09/23/working-around-an-internal-error-based-on-source-mnemonics/#comments</comments>
		<pubDate>Thu, 23 Sep 2010 10:16:42 +0000</pubDate>
		<dc:creator>David Aldridge</dc:creator>
				<category><![CDATA[Oracle]]></category>

		<guid isPermaLink="false">http://oraclesponge.wordpress.com/?p=489</guid>
		<description><![CDATA[My frenzied hacking through the unexplored territory of Expression Filters was derailed (to mix my metaphors) by an internal error when using the Evaluate() function in a rather complex query that uses an inline view, analytic functions etc.. The following was extracted from the alert log: ORA-07445: exception encountered: core dump [kkqsCkLegalEqvExpCB()+199] [SIGSEGV] [Address not [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=oraclesponge.wordpress.com&amp;blog=263628&amp;post=489&amp;subd=oraclesponge&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://oraclesponge.wordpress.com/2010/09/23/working-around-an-internal-error-based-on-source-mnemonics/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">The Oracle Sponge</media:title>
		</media:content>
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		<item>
		<title>Stupid Yahoo Mail</title>
		<link>http://oraclesponge.wordpress.com/2010/09/20/stupid-yahoo-mail/</link>
		<comments>http://oraclesponge.wordpress.com/2010/09/20/stupid-yahoo-mail/#comments</comments>
		<pubDate>Mon, 20 Sep 2010 12:52:54 +0000</pubDate>
		<dc:creator>David Aldridge</dc:creator>
				<category><![CDATA[Other Nonsense]]></category>

		<guid isPermaLink="false">http://oraclesponge.wordpress.com/?p=485</guid>
		<description><![CDATA[I just browsed my Yahoo spam folder and found an email purporting to be from an ex-work colleague. It was sent to a bunch of other ex-colleagues as well and contained a link to what looked like a site for selling fake ED pills. I replied to the colleague to say, &#8220;Hey looks like you&#8217;ve [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=oraclesponge.wordpress.com&amp;blog=263628&amp;post=485&amp;subd=oraclesponge&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://oraclesponge.wordpress.com/2010/09/20/stupid-yahoo-mail/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
	
		<media:content url="" medium="image">
			<media:title type="html">The Oracle Sponge</media:title>
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		<item>
		<title>A Cause of ORA-38435 in Evaluate()</title>
		<link>http://oraclesponge.wordpress.com/2010/09/20/a-cause-of-ora-38435-in-evaluate/</link>
		<comments>http://oraclesponge.wordpress.com/2010/09/20/a-cause-of-ora-38435-in-evaluate/#comments</comments>
		<pubDate>Mon, 20 Sep 2010 12:40:57 +0000</pubDate>
		<dc:creator>David Aldridge</dc:creator>
				<category><![CDATA[Expression Filters]]></category>
		<category><![CDATA[Oracle]]></category>

		<guid isPermaLink="false">http://oraclesponge.wordpress.com/?p=473</guid>
		<description><![CDATA[I&#8217;m part way through an implementation of some ELT code that uses expression filters to parse records and assign zero-to-many &#8220;inboxes&#8221; to each row, and as is often the case with the less well-explored parts of the system it often feels like I&#8217;m hacking through the undergrowth in unknown territory. Under such conditions it&#8217;s not [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=oraclesponge.wordpress.com&amp;blog=263628&amp;post=473&amp;subd=oraclesponge&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://oraclesponge.wordpress.com/2010/09/20/a-cause-of-ora-38435-in-evaluate/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
	
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			<media:title type="html">The Oracle Sponge</media:title>
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		<item>
		<title>Serious Space Savings</title>
		<link>http://oraclesponge.wordpress.com/2010/09/13/serious-space-savings/</link>
		<comments>http://oraclesponge.wordpress.com/2010/09/13/serious-space-savings/#comments</comments>
		<pubDate>Mon, 13 Sep 2010 14:43:06 +0000</pubDate>
		<dc:creator>David Aldridge</dc:creator>
				<category><![CDATA[Oracle]]></category>

		<guid isPermaLink="false">http://oraclesponge.wordpress.com/?p=464</guid>
		<description><![CDATA[I knew this would happen before I even tried it. I Request: &#8220;The SYSAUX tablespace is 500MB and it&#8217;s nearly full. The contents are mostly the default 30 days worth of DBMS_Scheduler logs. Can you increase it to 2GB?&#8220; A DBA Responds: &#8220;I&#8217;ve increased it to one GB for now&#8220;. An entire gigabyte of disk [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=oraclesponge.wordpress.com&amp;blog=263628&amp;post=464&amp;subd=oraclesponge&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://oraclesponge.wordpress.com/2010/09/13/serious-space-savings/feed/</wfw:commentRss>
		<slash:comments>9</slash:comments>
	
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			<media:title type="html">The Oracle Sponge</media:title>
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