A fundamental flaw of many business intelligence solutions is recreating what the company is already using for reporting and analysis. This takes one of two paths:
1) The data warehouse is built using essentially the source systems' data model.
2) The other end of the spectrum from 3NF is recreating your current reporting solutions, often data shadow systems or spreadmarts, that basically flatten out the data.
Click to read the complete post at the Data Doghouse.
Posted June 17, 2010 2:48 PM
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