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Re: Discover data patterns or Create data patterns?

  • From: "Mukul Gandhi" <gandhi.mukul@g...>
  • To: "Costello, Roger L." <costello@m...>
  • Date: Sun, 21 Sep 2008 11:14:01 +0530

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.

Mukul Gandhi

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