Re: Discover data patterns or Create data patterns?
Hi Roger, On Sat, Sep 20, 2008 at 6:20 PM, Costello, Roger L. <costello@m...> wrote: > 1. Are data patterns discovered, or, are data patterns created? > > 2. Are data patterns descriptive, or, are data patterns prescriptive? > > 3. What's the difference between a "master" data designer versus a > "novice" data designer? > > 4. Does this characterize the difference: a master data designer > discovers patterns intrinsic in data whereas a novice data designer > engineers a pattern? > > 5. Are there steps that a person can take to transition from a novice > data designer to a master data designer? I think, discovering data patterns is about studying the problem domain, and preparing some kind of ER model (a logical data model) to start with. We can then prepare a physical data model from a logical model. The physical data model is targeted for a RDBMS schema, a XSD schema or whatever storage we are interested in. -- Regards, Mukul Gandhi
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