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	<title>Waldar&#039;s SQLing and Datawarehousing Place &#187; NoCOUG</title>
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	<description>SQL behind Business Intelligence</description>
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		<title>NoCOUG SQL Challenge Author Solution, TSQL Challenge #12 !</title>
		<link>http://www.waldar.org/blog/200908/nocoug-sql-challenge-author-solution-tsql-challenge-12</link>
		<comments>http://www.waldar.org/blog/200908/nocoug-sql-challenge-author-solution-tsql-challenge-12#comments</comments>
		<pubDate>Tue, 11 Aug 2009 00:51:29 +0000</pubDate>
		<dc:creator>Waldar</dc:creator>
				<category><![CDATA[SQLing]]></category>
		<category><![CDATA[analytic functions]]></category>
		<category><![CDATA[Challenges]]></category>
		<category><![CDATA[Connect By]]></category>
		<category><![CDATA[NoCOUG]]></category>
		<category><![CDATA[Oracle]]></category>
		<category><![CDATA[SQL Server]]></category>
		<category><![CDATA[TSQL]]></category>

		<guid isPermaLink="false">http://www.waldar.org/blog/?p=401</guid>
		<description><![CDATA[NoCOUG Challenge

After many months, Iggy Fernandez published his own solution of the first annual NoCOUG SQL Challenge.
His solution was performing fast from the beginning according to the graph he sent to Chen Shapira back in the announcement days :

I never managed to achieve those kind of results, only Alberto and André could throw that magnitude [...]]]></description>
		<wfw:commentRss>http://www.waldar.org/blog/200908/nocoug-sql-challenge-author-solution-tsql-challenge-12/feed</wfw:commentRss>
		<slash:comments>6</slash:comments>
		</item>
		<item>
		<title>First International NoCOUG SQL Challenge Is Over !</title>
		<link>http://www.waldar.org/blog/200908/first-international-nocoug-sql-challenge-is-over</link>
		<comments>http://www.waldar.org/blog/200908/first-international-nocoug-sql-challenge-is-over#comments</comments>
		<pubDate>Sat, 01 Aug 2009 13:45:35 +0000</pubDate>
		<dc:creator>Waldar</dc:creator>
				<category><![CDATA[SQLing]]></category>
		<category><![CDATA[Challenges]]></category>
		<category><![CDATA[Model]]></category>
		<category><![CDATA[NoCOUG]]></category>
		<category><![CDATA[Oracle]]></category>
		<category><![CDATA[SQL Server]]></category>

		<guid isPermaLink="false">http://www.waldar.org/blog/?p=392</guid>
		<description><![CDATA[Well, this was a long wait for every participant of this challenge.
I entry the contest in April, and the winner has been announced yesterday by Iggy Fernandez and Chen Shapira.
It was indeed an amazing challenge and I thanks everyone who brought this up.
It was also the key factor for me to open this blog to [...]]]></description>
		<wfw:commentRss>http://www.waldar.org/blog/200908/first-international-nocoug-sql-challenge-is-over/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>NoCOUG Got Nine, TSQL Got Eleven</title>
		<link>http://www.waldar.org/blog/200907/nocoug-got-nine-tsql-got-eleven</link>
		<comments>http://www.waldar.org/blog/200907/nocoug-got-nine-tsql-got-eleven#comments</comments>
		<pubDate>Mon, 20 Jul 2009 01:01:37 +0000</pubDate>
		<dc:creator>Waldar</dc:creator>
				<category><![CDATA[SQLing]]></category>
		<category><![CDATA[Challenges]]></category>
		<category><![CDATA[NoCOUG]]></category>
		<category><![CDATA[TSQL]]></category>

		<guid isPermaLink="false">http://www.waldar.org/blog/?p=352</guid>
		<description><![CDATA[NoCOUG

Well, I'm not really comparing comparable numbers here.
The NoCOUG last submit date was the last day of june, and therefore it is past.
Iggy Fernandez wrote about the nine different solutions he received (I very like the title he has chosen) !
I'm the seventh in the list there.
As I told before, my favorite solution to this [...]]]></description>
		<wfw:commentRss>http://www.waldar.org/blog/200907/nocoug-got-nine-tsql-got-eleven/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Challenges !!!</title>
		<link>http://www.waldar.org/blog/200905/challenges</link>
		<comments>http://www.waldar.org/blog/200905/challenges#comments</comments>
		<pubDate>Wed, 27 May 2009 23:33:40 +0000</pubDate>
		<dc:creator>Waldar</dc:creator>
				<category><![CDATA[SQLing]]></category>
		<category><![CDATA[bitand]]></category>
		<category><![CDATA[Challenges]]></category>
		<category><![CDATA[Connect By]]></category>
		<category><![CDATA[cte]]></category>
		<category><![CDATA[Hierarchy]]></category>
		<category><![CDATA[NoCOUG]]></category>
		<category><![CDATA[TSQL]]></category>

		<guid isPermaLink="false">http://www.waldar.org/blog/?p=125</guid>
		<description><![CDATA[TSQL Challenge
 
Last month I answered about a SQL Challenge from Antoine Gemis (french here). My solution wasn't very nice, I used a flaw in the data to provide an easy query with basic outer joining.
As the only challenger, I won it !
Antoine's told be about some regular TSQL Challenges (meaning SQL Server) but i didn't [...]]]></description>
		<wfw:commentRss>http://www.waldar.org/blog/200905/challenges/feed</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Fake Cross Join : Is Oracle Really Four Times Better Than MS SQL Server ?</title>
		<link>http://www.waldar.org/blog/200904/fake-cross-join-is-oracle-really-four-times-better-than-ms-sql-server</link>
		<comments>http://www.waldar.org/blog/200904/fake-cross-join-is-oracle-really-four-times-better-than-ms-sql-server#comments</comments>
		<pubDate>Thu, 16 Apr 2009 23:44:02 +0000</pubDate>
		<dc:creator>Waldar</dc:creator>
				<category><![CDATA[SQLing]]></category>
		<category><![CDATA[cross join]]></category>
		<category><![CDATA[NoCOUG]]></category>
		<category><![CDATA[Oracle]]></category>
		<category><![CDATA[SQL]]></category>
		<category><![CDATA[TSQL]]></category>

		<guid isPermaLink="false">http://www.waldar.org/blog/?p=36</guid>
		<description><![CDATA[Trying to improve the cross join part by faking it.
Results shows Oracle gains twice while MS SQL Server loose twice.]]></description>
		<wfw:commentRss>http://www.waldar.org/blog/200904/fake-cross-join-is-oracle-really-four-times-better-than-ms-sql-server/feed</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>NoCOUG&#8217;s First SQL Challenge !</title>
		<link>http://www.waldar.org/blog/200904/nocougs-first-sql-challenge</link>
		<comments>http://www.waldar.org/blog/200904/nocougs-first-sql-challenge#comments</comments>
		<pubDate>Wed, 15 Apr 2009 21:23:05 +0000</pubDate>
		<dc:creator>Waldar</dc:creator>
				<category><![CDATA[SQLing]]></category>
		<category><![CDATA[cross join]]></category>
		<category><![CDATA[NoCOUG]]></category>
		<category><![CDATA[Oracle]]></category>
		<category><![CDATA[SQL]]></category>
		<category><![CDATA[TSQL]]></category>

		<guid isPermaLink="false">http://www.waldar.org/blog/?p=20</guid>
		<description><![CDATA[My proposal about NoCOUG First SQL Challenge]]></description>
		<wfw:commentRss>http://www.waldar.org/blog/200904/nocougs-first-sql-challenge/feed</wfw:commentRss>
		<slash:comments>5</slash:comments>
		</item>
		<item>
		<title>Well, It&#8217;s About Time !</title>
		<link>http://www.waldar.org/blog/200904/about-time</link>
		<comments>http://www.waldar.org/blog/200904/about-time#comments</comments>
		<pubDate>Wed, 15 Apr 2009 00:02:05 +0000</pubDate>
		<dc:creator>Waldar</dc:creator>
				<category><![CDATA[Site News]]></category>
		<category><![CDATA[geek]]></category>
		<category><![CDATA[me]]></category>
		<category><![CDATA[NoCOUG]]></category>

		<guid isPermaLink="false">http://waldar.free.fr/blog/?p=1</guid>
		<description><![CDATA[So i'm throwing myself into the marvellous blogging world.
I wonder why i didn't make that before. I can be some geek or nerd, but it took me years before having a cellphone, and more years for having a cellphone which goes beyond phoning and SMSing. On the other side, i'm up to date concerning computer hardware stuff.
A [...]]]></description>
		<wfw:commentRss>http://www.waldar.org/blog/200904/about-time/feed</wfw:commentRss>
		<slash:comments>5</slash:comments>
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