Monday, 5 December 2011

Top Down Approach

Bill inmon Approach is called as top down approach.
Inmon stated "You can catch all the minnows in the ocean and stack them together and they still do not make a whale,"This indicates the opposing view that the data warehouse should be designed from the top-down to include all corporate data. In this methodology, data marts are created only after the complete data warehouse has been created.


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