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Extreme Scoping by Larissa T Moss

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Chapter 3

Data-Driven Development

In the Preface, I stated that my first lesson in data warehousing was to learn very quickly that data warehouse projects are not like traditional operational system development projects. My second lesson was to realize that EDW/BI project teams must follow a data-driven methodology, not a development-driven methodology. The reason is that our primary deliverable from EDW/BI projects must be clean, consistent, trustworthy, and reusable data. What the business is looking for is information. How we get the information is of lesser importance to the business. As I said before, the ETL processes and BI applications ...

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