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	<title>Dylan's BI Study Notes</title>
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	<link>http://dylanwan.wordpress.com</link>
	<description>My notes about Business Intelligence, Data Warehousing, OLAP, and Master Data Management</description>
	<lastBuildDate>Tue, 13 Oct 2009 08:57:49 +0000</lastBuildDate>
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		<title>Dylan's BI Study Notes</title>
		<link>http://dylanwan.wordpress.com</link>
	</image>
			<item>
		<title>BI Apps 7.9.6.1 is released</title>
		<link>http://dylanwan.wordpress.com/2009/10/13/bi-apps-7-9-6-1-is-released/</link>
		<comments>http://dylanwan.wordpress.com/2009/10/13/bi-apps-7-9-6-1-is-released/#comments</comments>
		<pubDate>Tue, 13 Oct 2009 08:57:49 +0000</pubDate>
		<dc:creator>Dylan Wan</dc:creator>
				<category><![CDATA[Business Intelligence]]></category>

		<guid isPermaLink="false">http://dylanwan.wordpress.com/?p=269</guid>
		<description><![CDATA[Here is the press release from Oracle:
Oracle Introduces New Release of Oracle® Business Intelligence Applications
This change over the release 7.9.6 is that it is certified with Teradata, MS SQL, and DB2.  Also, it includes the performance tuning of several ETL process.
       <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=dylanwan.wordpress.com&blog=437134&post=269&subd=dylanwan&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://dylanwan.wordpress.com/2009/10/13/bi-apps-7-9-6-1-is-released/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Dylan</media:title>
		</media:content>
	</item>
		<item>
		<title>BI Apps 7.9.6 is out</title>
		<link>http://dylanwan.wordpress.com/2009/05/15/bi-apps-7-9-6-is-out/</link>
		<comments>http://dylanwan.wordpress.com/2009/05/15/bi-apps-7-9-6-is-out/#comments</comments>
		<pubDate>Fri, 15 May 2009 23:57:19 +0000</pubDate>
		<dc:creator>Dylan Wan</dc:creator>
				<category><![CDATA[Business Intelligence]]></category>

		<guid isPermaLink="false">http://dylanwan.wordpress.com/?p=251</guid>
		<description><![CDATA[Here is the press release.
This is a very important release for customers.  Several new features are introduced:
Party Model
Multiple Calendar Model
Multiple Product Categories
UOM Conversion
Country Dimension
       <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=dylanwan.wordpress.com&blog=437134&post=251&subd=dylanwan&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://dylanwan.wordpress.com/2009/05/15/bi-apps-7-9-6-is-out/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Dylan</media:title>
		</media:content>
	</item>
		<item>
		<title>Informatica ETL Tuning Steps</title>
		<link>http://dylanwan.wordpress.com/2009/03/14/informatica-etl-tuning-steps/</link>
		<comments>http://dylanwan.wordpress.com/2009/03/14/informatica-etl-tuning-steps/#comments</comments>
		<pubDate>Sun, 15 Mar 2009 06:44:55 +0000</pubDate>
		<dc:creator>Dylan Wan</dc:creator>
				<category><![CDATA[Business Intelligence]]></category>
		<category><![CDATA[ETL]]></category>
		<category><![CDATA[Infomatica]]></category>
		<category><![CDATA[OBIA]]></category>

		<guid isPermaLink="false">http://dylanwan.wordpress.com/?p=234</guid>
		<description><![CDATA[First, we need to identify where the performance problem come from.   The bottleneck can be:

Source Extract
Transformation
Lookup
Target Write

I will talk about how to isolate the problems and go over each about how to investigate the problem in each of these area.

1. Source Extract SQL
The simple way to identify the issue is to run the SQL against [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=dylanwan.wordpress.com&blog=437134&post=234&subd=dylanwan&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://dylanwan.wordpress.com/2009/03/14/informatica-etl-tuning-steps/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
	
		<media:content url="http://1.gravatar.com/avatar/51fb8164bbddc3b7be4680455fa40630?s=96&#38;d=identicon&#38;r=G" medium="image">
			<media:title type="html">Dylan</media:title>
		</media:content>
	</item>
		<item>
		<title>Data Security in Oracle BI Apps</title>
		<link>http://dylanwan.wordpress.com/2008/07/15/data-security-in-oracle-bi-apps/</link>
		<comments>http://dylanwan.wordpress.com/2008/07/15/data-security-in-oracle-bi-apps/#comments</comments>
		<pubDate>Wed, 16 Jul 2008 03:09:22 +0000</pubDate>
		<dc:creator>Dylan Wan</dc:creator>
				<category><![CDATA[BI]]></category>
		<category><![CDATA[BI Application]]></category>
		<category><![CDATA[BI Work]]></category>
		<category><![CDATA[Business Intelligence]]></category>
		<category><![CDATA[OBIA]]></category>
		<category><![CDATA[OBIEE]]></category>
		<category><![CDATA[Oracle]]></category>
		<category><![CDATA[Oracle BI Suite EE]]></category>
		<category><![CDATA[Siebel Analytics]]></category>
		<category><![CDATA[data security]]></category>

		<guid isPermaLink="false">http://dylanwan.wordpress.com/?p=225</guid>
		<description><![CDATA[I am describing how data security works in Oracle BI Apps.

The key concept is that Oracle BI Apps can read the permission/grant the security administrator defined in the OLTP during the runtime.  If you change/revoke the access in OLTP, the change can be immediately reflected in OBI Apps.  This is very important if your BI [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=dylanwan.wordpress.com&blog=437134&post=225&subd=dylanwan&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://dylanwan.wordpress.com/2008/07/15/data-security-in-oracle-bi-apps/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
	
		<media:content url="http://1.gravatar.com/avatar/51fb8164bbddc3b7be4680455fa40630?s=96&#38;d=identicon&#38;r=G" medium="image">
			<media:title type="html">Dylan</media:title>
		</media:content>

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	</item>
		<item>
		<title>Use ANSI SQL for Outer Join</title>
		<link>http://dylanwan.wordpress.com/2008/07/04/use-ansi-sql-for-outer-join/</link>
		<comments>http://dylanwan.wordpress.com/2008/07/04/use-ansi-sql-for-outer-join/#comments</comments>
		<pubDate>Fri, 04 Jul 2008 19:55:39 +0000</pubDate>
		<dc:creator>Dylan Wan</dc:creator>
				<category><![CDATA[BI]]></category>
		<category><![CDATA[BI Application]]></category>
		<category><![CDATA[BI Work]]></category>
		<category><![CDATA[ETL]]></category>
		<category><![CDATA[Infomatica]]></category>
		<category><![CDATA[Oracle]]></category>
		<category><![CDATA[Oracle Data Integrator]]></category>

		<guid isPermaLink="false">http://dylanwan.wordpress.com/?p=223</guid>
		<description><![CDATA[The OLTP source applications like PeopleSoft and Siebel applications can run on many different databases including Oracle, MS SQL, or DB2.  The target data warehouse can also run on different database platforms, incluidng the above databases, plus Teradata.
Various technologies can be used to enable the cross database platform support in the pre-packaged BI apps. [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=dylanwan.wordpress.com&blog=437134&post=223&subd=dylanwan&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://dylanwan.wordpress.com/2008/07/04/use-ansi-sql-for-outer-join/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
		<media:content url="http://1.gravatar.com/avatar/51fb8164bbddc3b7be4680455fa40630?s=96&#38;d=identicon&#38;r=G" medium="image">
			<media:title type="html">Dylan</media:title>
		</media:content>
	</item>
		<item>
		<title>Use SQL*Loader with Named Pipe</title>
		<link>http://dylanwan.wordpress.com/2008/06/24/use-sqlloader-with-named-pipe/</link>
		<comments>http://dylanwan.wordpress.com/2008/06/24/use-sqlloader-with-named-pipe/#comments</comments>
		<pubDate>Wed, 25 Jun 2008 03:46:57 +0000</pubDate>
		<dc:creator>Dylan Wan</dc:creator>
				<category><![CDATA[BI]]></category>
		<category><![CDATA[BI Work]]></category>
		<category><![CDATA[Business Intelligence]]></category>
		<category><![CDATA[Data Warehouse]]></category>
		<category><![CDATA[ETL]]></category>
		<category><![CDATA[Infomatica]]></category>
		<category><![CDATA[Oracle]]></category>
		<category><![CDATA[Oracle Data Integrator]]></category>
		<category><![CDATA[Sunopsis]]></category>
		<category><![CDATA[ODI]]></category>
		<category><![CDATA[SQLLDR]]></category>

		<guid isPermaLink="false">http://dylanwan.wordpress.com/?p=221</guid>
		<description><![CDATA[Typically using SQL*Loader assumes that a flat file will be used as the input.  The file will need to be created and generated before the SQL*Loader can take the data from the file and load the data into Oracle.  The performance can be improved and the disk space can be saved if you [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=dylanwan.wordpress.com&blog=437134&post=221&subd=dylanwan&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://dylanwan.wordpress.com/2008/06/24/use-sqlloader-with-named-pipe/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
	
		<media:content url="http://1.gravatar.com/avatar/51fb8164bbddc3b7be4680455fa40630?s=96&#38;d=identicon&#38;r=G" medium="image">
			<media:title type="html">Dylan</media:title>
		</media:content>
	</item>
		<item>
		<title>Hyperion Essbase Dimension Terminology</title>
		<link>http://dylanwan.wordpress.com/2008/06/20/hyperion-essbase-dimension-terminology/</link>
		<comments>http://dylanwan.wordpress.com/2008/06/20/hyperion-essbase-dimension-terminology/#comments</comments>
		<pubDate>Sat, 21 Jun 2008 05:26:24 +0000</pubDate>
		<dc:creator>Dylan Wan</dc:creator>
				<category><![CDATA[BI]]></category>
		<category><![CDATA[Business Intelligence]]></category>
		<category><![CDATA[Oracle]]></category>
		<category><![CDATA[PeopleSoft]]></category>
		<category><![CDATA[essbase]]></category>
		<category><![CDATA[hyperion]]></category>
		<category><![CDATA[OLAP]]></category>

		<guid isPermaLink="false">http://dylanwan.wordpress.com/?p=219</guid>
		<description><![CDATA[I found the the language used in Hyperion Essbase documentation is very useful for describing the dimension hierarchy.  To communicate effectively, sometime we need precise teams to describe things.  The terms defined in the Hyperion Essbase documentation helps.

Member: A node within a hierarchy.
Root: The root is the top member in a hierarchy.
Parent: A [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=dylanwan.wordpress.com&blog=437134&post=219&subd=dylanwan&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://dylanwan.wordpress.com/2008/06/20/hyperion-essbase-dimension-terminology/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
	
		<media:content url="http://1.gravatar.com/avatar/51fb8164bbddc3b7be4680455fa40630?s=96&#38;d=identicon&#38;r=G" medium="image">
			<media:title type="html">Dylan</media:title>
		</media:content>
	</item>
		<item>
		<title>Changed Data Capture in ODI</title>
		<link>http://dylanwan.wordpress.com/2008/06/09/changed-data-capture-in-odi/</link>
		<comments>http://dylanwan.wordpress.com/2008/06/09/changed-data-capture-in-odi/#comments</comments>
		<pubDate>Tue, 10 Jun 2008 07:41:20 +0000</pubDate>
		<dc:creator>Dylan Wan</dc:creator>
				<category><![CDATA[BI]]></category>
		<category><![CDATA[BI Application]]></category>
		<category><![CDATA[BI Work]]></category>
		<category><![CDATA[Oracle]]></category>
		<category><![CDATA[Oracle Data Integrator]]></category>
		<category><![CDATA[Sunopsis]]></category>
		<category><![CDATA[ODI]]></category>

		<guid isPermaLink="false">http://dylanwan.wordpress.com/?p=218</guid>
		<description><![CDATA[ODI is the tool will also be used to develop the ETL (or ELT) for Oracle BI Applications.  ODI supports Changed Data Capture by its journalizing module.
My understanding of CDC flow in ODI is as follows:
ODI creates the Journal tables in the source database. The Journal tables store/publish the references to the changed data. [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=dylanwan.wordpress.com&blog=437134&post=218&subd=dylanwan&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://dylanwan.wordpress.com/2008/06/09/changed-data-capture-in-odi/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
		<media:content url="http://1.gravatar.com/avatar/51fb8164bbddc3b7be4680455fa40630?s=96&#38;d=identicon&#38;r=G" medium="image">
			<media:title type="html">Dylan</media:title>
		</media:content>
	</item>
		<item>
		<title>Oracle BI Applications 7.9.5 is out</title>
		<link>http://dylanwan.wordpress.com/2008/05/30/oracle-bi-applications-795-is-out/</link>
		<comments>http://dylanwan.wordpress.com/2008/05/30/oracle-bi-applications-795-is-out/#comments</comments>
		<pubDate>Sat, 31 May 2008 02:33:05 +0000</pubDate>
		<dc:creator>Dylan Wan</dc:creator>
				<category><![CDATA[BI]]></category>
		<category><![CDATA[BI Application]]></category>
		<category><![CDATA[BI Work]]></category>
		<category><![CDATA[Business Intelligence]]></category>
		<category><![CDATA[Data Warehouse]]></category>
		<category><![CDATA[ETL]]></category>
		<category><![CDATA[Infomatica]]></category>
		<category><![CDATA[OBIA]]></category>
		<category><![CDATA[OBIEE]]></category>
		<category><![CDATA[Oracle]]></category>
		<category><![CDATA[Oracle BI Suite EE]]></category>
		<category><![CDATA[PeopleSoft]]></category>
		<category><![CDATA[Siebel Analytics]]></category>

		<guid isPermaLink="false">http://dylanwan.wordpress.com/?p=216</guid>
		<description><![CDATA[Oracle BI Applications 7.9.5 is released early this month.  Here is a quick summary of the features introduced in this release and where you can get more information about it.

1. Informatica PowerCenter 8.1.1 SP4 &#8211; Informatica delivered the PowerCenter 8 in 2006. Oracle BI Apps has been used PowerCenter 7.1.4 until Oracle BI Apps [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=dylanwan.wordpress.com&blog=437134&post=216&subd=dylanwan&ref=&feed=1" />]]></description>
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		<slash:comments>0</slash:comments>
	
		<media:content url="http://1.gravatar.com/avatar/51fb8164bbddc3b7be4680455fa40630?s=96&#38;d=identicon&#38;r=G" medium="image">
			<media:title type="html">Dylan</media:title>
		</media:content>
	</item>
		<item>
		<title>Credit Management in OLTP</title>
		<link>http://dylanwan.wordpress.com/2008/05/06/credit-management-in-oltp/</link>
		<comments>http://dylanwan.wordpress.com/2008/05/06/credit-management-in-oltp/#comments</comments>
		<pubDate>Tue, 06 May 2008 10:46:41 +0000</pubDate>
		<dc:creator>Dylan Wan</dc:creator>
				<category><![CDATA[BI]]></category>
		<category><![CDATA[BI Application]]></category>
		<category><![CDATA[BI Work]]></category>
		<category><![CDATA[Business Intelligence]]></category>
		<category><![CDATA[EBS]]></category>
		<category><![CDATA[Financial Intelligence]]></category>
		<category><![CDATA[Oracle]]></category>
		<category><![CDATA[PeopleSoft]]></category>
		<category><![CDATA[SAP]]></category>
		<category><![CDATA[Account Receivables Analytics]]></category>

		<guid isPermaLink="false">http://dylanwan.wordpress.com/?p=211</guid>
		<description><![CDATA[Account receivables can have a big impact to the cash flow of an organization.  Bad credit can hurt your company&#8217;s bottom line.  Manging customer credits help the company to manage the risk and avoid the issues.
In this post, I will touch credit check and credit limit, centralized and decentralized credit management, and credit [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=dylanwan.wordpress.com&blog=437134&post=211&subd=dylanwan&ref=&feed=1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Dylan</media:title>
		</media:content>
	</item>
		<item>
		<title>ABC Analysis in Inventory Management</title>
		<link>http://dylanwan.wordpress.com/2008/03/11/abc-analysis-in-inventory-management/</link>
		<comments>http://dylanwan.wordpress.com/2008/03/11/abc-analysis-in-inventory-management/#comments</comments>
		<pubDate>Wed, 12 Mar 2008 03:37:48 +0000</pubDate>
		<dc:creator>Dylan Wan</dc:creator>
				<category><![CDATA[BI]]></category>
		<category><![CDATA[BI Application]]></category>
		<category><![CDATA[BI Work]]></category>
		<category><![CDATA[Business Intelligence]]></category>
		<category><![CDATA[Data Warehouse]]></category>
		<category><![CDATA[EBS]]></category>
		<category><![CDATA[Oracle]]></category>
		<category><![CDATA[PeopleSoft]]></category>
		<category><![CDATA[Supply Chain Intelligence]]></category>

		<guid isPermaLink="false">http://dylanwan.wordpress.com/?p=207</guid>
		<description><![CDATA[ I did some study on the ABC Analysis in Inventory Management.  It is also useful in business analytics.  I will cover what it is and how it is supported in various ERPs. Finally, how it may be used in analytics application.
What is ABC Analysis in Inventory Management?
Here is the link to the definition in wikipedia [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=dylanwan.wordpress.com&blog=437134&post=207&subd=dylanwan&ref=&feed=1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Dylan</media:title>
		</media:content>
	</item>
		<item>
		<title>RFM Analysis</title>
		<link>http://dylanwan.wordpress.com/2008/03/09/rfm-analysis/</link>
		<comments>http://dylanwan.wordpress.com/2008/03/09/rfm-analysis/#comments</comments>
		<pubDate>Mon, 10 Mar 2008 05:08:33 +0000</pubDate>
		<dc:creator>Dylan Wan</dc:creator>
				<category><![CDATA[BI]]></category>
		<category><![CDATA[BI Application]]></category>
		<category><![CDATA[BI Work]]></category>
		<category><![CDATA[Business Intelligence]]></category>
		<category><![CDATA[Marketing Intelligence]]></category>
		<category><![CDATA[Sales Intelligence]]></category>

		<guid isPermaLink="false">http://dylanwan.wordpress.com/?p=208</guid>
		<description><![CDATA[RFM (recency, frequency, monetary) analysis is used by marketing to determine their campaign targets.  It is based on three metrics from the previous sales records:

Recency &#8211;  How recently a customer has purchased
Frequency &#8211; How often they purchase
Monetary &#8211; How much the customer spends

It should be considered as part of Marketing Analytics since it [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=dylanwan.wordpress.com&blog=437134&post=208&subd=dylanwan&ref=&feed=1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Dylan</media:title>
		</media:content>
	</item>
		<item>
		<title>Why do people not report by Month in the Gregorian calendar?</title>
		<link>http://dylanwan.wordpress.com/2008/02/26/why-do-people-not-report-by-month-in-the-gregorian-calendar/</link>
		<comments>http://dylanwan.wordpress.com/2008/02/26/why-do-people-not-report-by-month-in-the-gregorian-calendar/#comments</comments>
		<pubDate>Tue, 26 Feb 2008 17:32:43 +0000</pubDate>
		<dc:creator>Dylan Wan</dc:creator>
				<category><![CDATA[BI]]></category>
		<category><![CDATA[Business Intelligence]]></category>
		<category><![CDATA[Data Warehouse]]></category>

		<guid isPermaLink="false">http://dylanwan.wordpress.com/?p=206</guid>
		<description><![CDATA[
The number of days is different in each calendar month.
The week and month cannot be aligned.  The number of weekends is different in each calendar month.
The number of working days is different in each calendar month.  It ends up that the number of days in each quarter is also different.
The period closing day will fall [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=dylanwan.wordpress.com&blog=437134&post=206&subd=dylanwan&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://dylanwan.wordpress.com/2008/02/26/why-do-people-not-report-by-month-in-the-gregorian-calendar/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
		<media:content url="http://1.gravatar.com/avatar/51fb8164bbddc3b7be4680455fa40630?s=96&#38;d=identicon&#38;r=G" medium="image">
			<media:title type="html">Dylan</media:title>
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		<item>
		<title>13 Period Calendar</title>
		<link>http://dylanwan.wordpress.com/2008/02/26/13-period-calendar/</link>
		<comments>http://dylanwan.wordpress.com/2008/02/26/13-period-calendar/#comments</comments>
		<pubDate>Tue, 26 Feb 2008 17:26:05 +0000</pubDate>
		<dc:creator>Dylan Wan</dc:creator>
				<category><![CDATA[BI]]></category>
		<category><![CDATA[BI Application]]></category>
		<category><![CDATA[BI Work]]></category>
		<category><![CDATA[Business Intelligence]]></category>
		<category><![CDATA[Data Warehouse]]></category>
		<category><![CDATA[Financial Intelligence]]></category>
		<category><![CDATA[Sales Intelligence]]></category>

		<guid isPermaLink="false">http://dylanwan.wordpress.com/?p=205</guid>
		<description><![CDATA[I will discuss the following topics:

What is  the 13 period calendar?
Who uses the 13 period calendar?
How is it different from the 4-4-5 calendar?


A 13 period calendar is different from a 4-4-5, 4-5-4, or 5-4-4 calendar.  A typical Gregorian calendar month has 12 months and the number of days in a month vary depending [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=dylanwan.wordpress.com&blog=437134&post=205&subd=dylanwan&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://dylanwan.wordpress.com/2008/02/26/13-period-calendar/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
	
		<media:content url="http://1.gravatar.com/avatar/51fb8164bbddc3b7be4680455fa40630?s=96&#38;d=identicon&#38;r=G" medium="image">
			<media:title type="html">Dylan</media:title>
		</media:content>
	</item>
		<item>
		<title>Data Warehouse Basics</title>
		<link>http://dylanwan.wordpress.com/2008/02/15/data-warehouse-basics/</link>
		<comments>http://dylanwan.wordpress.com/2008/02/15/data-warehouse-basics/#comments</comments>
		<pubDate>Sat, 16 Feb 2008 03:49:09 +0000</pubDate>
		<dc:creator>Dylan Wan</dc:creator>
				<category><![CDATA[BI Work]]></category>
		<category><![CDATA[Data Warehouse]]></category>

		<guid isPermaLink="false">http://dylanwan.wordpress.com/?p=204</guid>
		<description><![CDATA[Here is a link to my Data Warehouse Basics presentation slides.  I explain  what is a data warehouse, what is characteristics of a data warehouse, and what the data warehouse deployment looks like.

The work is actually incomplete.  I will continue enhancing it.
       <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=dylanwan.wordpress.com&blog=437134&post=204&subd=dylanwan&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://dylanwan.wordpress.com/2008/02/15/data-warehouse-basics/feed/</wfw:commentRss>
		<slash:comments>3</slash:comments>
	
		<media:content url="http://1.gravatar.com/avatar/51fb8164bbddc3b7be4680455fa40630?s=96&#38;d=identicon&#38;r=G" medium="image">
			<media:title type="html">Dylan</media:title>
		</media:content>
	</item>
		<item>
		<title>A good OBIEE web demo from New York City&#8217;s City Wide Performance Reporting</title>
		<link>http://dylanwan.wordpress.com/2008/02/15/a-good-obiee-web-demo-from-new-york-citys-city-wide-performance-reporting/</link>
		<comments>http://dylanwan.wordpress.com/2008/02/15/a-good-obiee-web-demo-from-new-york-citys-city-wide-performance-reporting/#comments</comments>
		<pubDate>Fri, 15 Feb 2008 17:10:57 +0000</pubDate>
		<dc:creator>Dylan Wan</dc:creator>
				<category><![CDATA[BI]]></category>
		<category><![CDATA[BI Links]]></category>
		<category><![CDATA[Business Intelligence]]></category>
		<category><![CDATA[OBIEE]]></category>
		<category><![CDATA[Oracle]]></category>
		<category><![CDATA[Oracle BI Suite EE]]></category>
		<category><![CDATA[Siebel Analytics]]></category>

		<guid isPermaLink="false">http://dylanwan.wordpress.com/?p=203</guid>
		<description><![CDATA[New York City now enables the public to monitor the city&#8217;s performance by making the OBIEE based dashboard and report online.
Here is the link to their CPR (City Wide Performance Reporting) site : http://www.nyc.gov/html/ops/cpr/html/home/home.shtml

The mayor said &#8220;Welcome to the next generation of data reporting for New York City.  CPR will help YOU the public can [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=dylanwan.wordpress.com&blog=437134&post=203&subd=dylanwan&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://dylanwan.wordpress.com/2008/02/15/a-good-obiee-web-demo-from-new-york-citys-city-wide-performance-reporting/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
	
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			<media:title type="html">Dylan</media:title>
		</media:content>
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		<item>
		<title>Database Tuning &#8211; drop unused indexes</title>
		<link>http://dylanwan.wordpress.com/2008/02/08/database-tuning-drop-unused-indexes/</link>
		<comments>http://dylanwan.wordpress.com/2008/02/08/database-tuning-drop-unused-indexes/#comments</comments>
		<pubDate>Fri, 08 Feb 2008 21:17:39 +0000</pubDate>
		<dc:creator>Dylan Wan</dc:creator>
				<category><![CDATA[Data Warehouse]]></category>

		<guid isPermaLink="false">http://dylanwan.wordpress.com/?p=200</guid>
		<description><![CDATA[Index is very useful during query, especially in data warehouse.   However, it adds the overhead in the storage and ETL process.
I found an excellent article about how to monitor  the index usage in Oralce.   You should periodically run the index monitoring process and pro-actively drop those un-used indexes.
Monitoring Index Usage in Oracle9i, by Daniel T. [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=dylanwan.wordpress.com&blog=437134&post=200&subd=dylanwan&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://dylanwan.wordpress.com/2008/02/08/database-tuning-drop-unused-indexes/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
		<media:content url="http://1.gravatar.com/avatar/51fb8164bbddc3b7be4680455fa40630?s=96&#38;d=identicon&#38;r=G" medium="image">
			<media:title type="html">Dylan</media:title>
		</media:content>
	</item>
		<item>
		<title>Bitmap Index &#8211; when to use it?</title>
		<link>http://dylanwan.wordpress.com/2008/02/01/bitmap-index-when-to-use-it/</link>
		<comments>http://dylanwan.wordpress.com/2008/02/01/bitmap-index-when-to-use-it/#comments</comments>
		<pubDate>Sat, 02 Feb 2008 01:58:47 +0000</pubDate>
		<dc:creator>Dylan Wan</dc:creator>
				<category><![CDATA[BI]]></category>
		<category><![CDATA[Business Intelligence]]></category>
		<category><![CDATA[Data Warehouse]]></category>
		<category><![CDATA[Oracle]]></category>
		<category><![CDATA[Siebel Analytics]]></category>

		<guid isPermaLink="false">http://dylanwan.wordpress.com/?p=199</guid>
		<description><![CDATA[I will cover how Bitmap index work, when to use it and how to use it in this article.
How does it work?
The bitmap index stores the column values in bits.  Each bit represents a single value.    For example, the gender column has two possible values: Male and Female.  three bit [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=dylanwan.wordpress.com&blog=437134&post=199&subd=dylanwan&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://dylanwan.wordpress.com/2008/02/01/bitmap-index-when-to-use-it/feed/</wfw:commentRss>
		<slash:comments>3</slash:comments>
	
		<media:content url="http://1.gravatar.com/avatar/51fb8164bbddc3b7be4680455fa40630?s=96&#38;d=identicon&#38;r=G" medium="image">
			<media:title type="html">Dylan</media:title>
		</media:content>
	</item>
		<item>
		<title>BI Applications and Embedded BI, Part 4</title>
		<link>http://dylanwan.wordpress.com/2008/01/29/oracle-bi-applications-and-embedded-bi-part-4/</link>
		<comments>http://dylanwan.wordpress.com/2008/01/29/oracle-bi-applications-and-embedded-bi-part-4/#comments</comments>
		<pubDate>Wed, 30 Jan 2008 04:04:02 +0000</pubDate>
		<dc:creator>Dylan Wan</dc:creator>
				<category><![CDATA[BI]]></category>
		<category><![CDATA[BI Application]]></category>
		<category><![CDATA[BI Work]]></category>
		<category><![CDATA[Business Intelligence]]></category>
		<category><![CDATA[EBS]]></category>
		<category><![CDATA[OBIA]]></category>
		<category><![CDATA[OBIEE]]></category>
		<category><![CDATA[Oracle]]></category>
		<category><![CDATA[Oracle BI Suite EE]]></category>
		<category><![CDATA[Siebel Analytics]]></category>

		<guid isPermaLink="false">http://dylanwan.wordpress.com/?p=198</guid>
		<description><![CDATA[This is my 4th post about the embedded BI.  The key is that a OBIEE and OBIA warehouse based solution is embeddable to the OLTP system as long as the OLTP system can provide the basic support.
In this article, I will discuss one of the key enabling technology &#8211; integrated authentication.

Business Requirements
The data provided [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=dylanwan.wordpress.com&blog=437134&post=198&subd=dylanwan&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://dylanwan.wordpress.com/2008/01/29/oracle-bi-applications-and-embedded-bi-part-4/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
	
		<media:content url="http://1.gravatar.com/avatar/51fb8164bbddc3b7be4680455fa40630?s=96&#38;d=identicon&#38;r=G" medium="image">
			<media:title type="html">Dylan</media:title>
		</media:content>
	</item>
		<item>
		<title>BI Applications and Embedded BI, Part 3</title>
		<link>http://dylanwan.wordpress.com/2008/01/28/oracle-bi-applications-and-embedded-bi-part-3/</link>
		<comments>http://dylanwan.wordpress.com/2008/01/28/oracle-bi-applications-and-embedded-bi-part-3/#comments</comments>
		<pubDate>Tue, 29 Jan 2008 04:38:45 +0000</pubDate>
		<dc:creator>Dylan Wan</dc:creator>
				<category><![CDATA[BI]]></category>
		<category><![CDATA[BI Application]]></category>
		<category><![CDATA[BI Work]]></category>
		<category><![CDATA[DAC]]></category>
		<category><![CDATA[Data Warehouse]]></category>
		<category><![CDATA[OBIA]]></category>
		<category><![CDATA[OBIEE]]></category>
		<category><![CDATA[Oracle]]></category>
		<category><![CDATA[Oracle BI Suite EE]]></category>

		<guid isPermaLink="false">http://dylanwan.wordpress.com/?p=196</guid>
		<description><![CDATA[I would like to go over some of the embedded BI related technologies you can use to make the data from BI Apps embedded in the OLTP systems.
In this post I will describe the Micro ETL feature from DAC.
Typically the ETL jobs are executed as a nightly job.  The last refresh date of the [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=dylanwan.wordpress.com&blog=437134&post=196&subd=dylanwan&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://dylanwan.wordpress.com/2008/01/28/oracle-bi-applications-and-embedded-bi-part-3/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
	
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			<media:title type="html">Dylan</media:title>
		</media:content>
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