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Errata corrige

To ensure the ongoing accuracy of this book and its companion content, we have reviewed and confirmed the errors listed below. If you find a new oversight, please report it to us.

  • Page 40: Fact table instead of dimension

    Replace “dimension” with “fact table” in the second-last paragraph in the page. It should be:

    In the previous example, you learned the basics of multiple fact table handling. There, you had two over-denormalized fact tables and, to make the model a better one, you had to revert to a simpler star schema. In this next example, we analyze a different scenario, again using Sales and Purchases.

    Edited on Mar 24, 2018
  • Page 79: Date in Figure 4-31

    In Figure 4-31 the date for the first row (Easter 2009) should be April 12, 2009 (it is now December 4, 2009).

    Edited on Mar 24, 2018
  • Page 193: Code error, ISBLANK should be used instead of ISEMPTY

    The right code of the PriceRange calculated column is the following:

    Sales[PriceRange] =
    VAR ResultValue =
        CALCULATE (
            IFERROR ( VALUES ( PriceRanges[PriceRange] ), "Overlapping Configuration" ),
            FILTER (
                PriceRanges,
                AND (
                    PriceRanges[MinPrice] <= Sales[Net Price],
                    PriceRanges[MaxPrice] > Sales[Net Price]
                )
            )
        )
    RETURN
        IF ( ISBLANK ( ResultValue ), "Wrong Configuration", ResultValue )
    

    In the paragraph after the code sample the function name ISEMPTY must be replaced with ISBLANK.

    Edited on Sep 28, 2018