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Figuring out dimensions for a DW


I have the following database schema from which I want to create DW with the needed dimensions for the following KPIs:

Employee database

What I'm trying to figure out is which dimensions should provide the contextual information for the facts table.


Solution

  • The following suggestions are based on your comments:

    1. To extract Absences by category you need to specify CATEGORIE and ABSENCE tables as dimensions.
    2. To extract Number of personnel by training (formations) you need to specify FORMATION table as dimension
    3. To extract the HR turnovers you need to specify CATEGORIE table as dimension