Data warehouse toolkit download

  • What is Kimball data modelling?

    The Kimball Methodology.
    Initiated by Ralph Kimball, the Kimball data model follows a bottom-up approach to data warehouse architecture design in which data marts are first formed based on the business requirements..

  • What is Kimball methodology?

    The Kimball Methodology.
    Initiated by Ralph Kimball, the Kimball data model follows a bottom-up approach to data warehouse architecture design in which data marts are first formed based on the business requirements..

  • When did data warehousing start?

    History.
    The concept of data warehousing dates back to the late 1980s when IBM researchers Barry Devlin and Paul Murphy developed the "business data warehouse"..

  • 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.

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