July 2011
Beginner to intermediate
368 pages
10h 25m
English
Contrary to popular opinion, the best business intelligence systems are not driven by the data or the operational source systems. I recently had a conversation with a group of data warehouse developers who were completely baffled by the notion of building a BI solution without first extracting all of the source system data into a single, normalized data model. They insisted that this was the necessary precursor to building BI applications for end users. I asked them what specific business problems the data warehouse was required to solve. They speculated on a lot of possible ideas but admitted that they had no business requirements. They explained that their project was an IT initiative, and their first ...
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