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Kimball University: Five Alternatives for Better Employee Dimension Modeling
August 17, 2009
The employee dimension presents one of the trickier challenges in data warehouse modeling. These five approaches ease the complication of designing and maintaining a 'Reports To' hierarchy for ever-changing reporting relationships and organizational structures.
Kimball University: Maintaining Dimension Hierarchies
October 27, 2008
Dimension hierarchies and pre-computed aggregations can make or break your data warehouse. Here's how to design, load and maintain true hierarchies while working around bad data sources and optimizing for usability and performance.
Kimball University: Should You Use An ETL Tool?
April 06, 2008
You can still hand-code an extract, transform and load system, but in most cases the self-documentation, structured development path and extensibility of an ETL tool is well worth the cost. Here's a close look at the pros and cons of buying rather than building.
Kimball University: Handling Arbitrary Restatements of History
December 09, 2007
How do you cope with an executive's request to "bring back a time series of activity for all subscribers who were in platinum status as of X date," or "show me a time series of orders by sales region according to the sales organization as of Y"? Here's how data warehouse pros can cope with the common requirement to look back in time.
Kimball University: Building a Foundation for Smart Applications
December 01, 2006
Off-the-shelf apps may offer built-in analytics, but the best approach to supporting operational decisions is to rely on a solid data warehouse that cleans, integrates.
Don't Forget the Owners Manual
July 01, 2005
Ensure trouble-free data warehouse and BI deployments by answering critical planning questions.