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Thread: Normalized vs Denromalized DW

  1. #1
    Senior Member vijay's Avatar
    Join Date
    May 2012

    Normalized vs Denromalized DW

    What are the advantages of having a normalized DW compared to dimensional DW? What are the advantages of dimensional DW compared to normalized DW?

  2. #2
    Senior Member
    Join Date
    Aug 2012
    The advantages of dimensional DW are:

    • flexibility: we can accommodate changes in the requirements with minimal changes on the data model,
    • Complex queries: you can query it faster than normalized model as there is need to join only few tables
    • itís quicker and simpler to develop than normalized DW and easier to maintain.

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