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more! historical

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more! historical

  • Does a SCD Type 1 Change Response Always Update All Historical Records?

    Often when implementing slowly changing dimensions, a particular dimension will have only certain columns that are interesting to view changes over time (Type 2) while the remainder simply need to be updated (Type 1). Given this combination of Type 2 and

  • Architecture questions : implement historical data view without SCD?

    Hello ! I need some fresh points of view of an architecture I’ve just encountered. This solution was designed by a consulting firm specialized in the HR IT field. The DWH in this case is supposed to handle 100’000 employees for an organization of

  • Historical Measures Missing

    Hi, I am working on a data warehousing project. Our main fact table is going to be an accumulating snapshot that records dates and metrics as, in our world, cases flow through the business process. We are capturing dates and metrics at 9 major points

  • Is An Historical Database Always a Data Warehouse?

    Sorry, I posted this in the Resource forum but that was incorrect. Although I've been in Information Technology for decades, I have no experience (yet) with data warehousing. We have many operational databases. We have developed a need to store

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