Data warehousing toolkit pdf

  • What is a step dimension in Kimball?

    Step Dimensions
    To tell where the individual step fits into the overall session, a step dimension is used that shows what step number is represented by the current step and how many more steps were required to complete the session..

What makes a good data warehouse?

In many ways, the data warehouse is only as good as the dimension attributes; the analytic power of the DW/BI environment is directly proportional to the quality and depth of the dimension attributes

The more time spent providing attributes with verbose business terminology, the better


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