From HRIS export to a clean star schema

Turn one wide employee export into dimensions and facts, with slowly changing org units and a headcount snapshot fact table.

Power BI01 Data integration, modelling & sample dataAdvanced26 min

The recording for this walkthrough is being published — the files below already contain the full model.

What you will build

  • 01Decide what is a fact and what is a dimension in HR data
  • 02Generate monthly snapshots without exploding the model
  • 03Handle reorganisations and renamed cost centres

Dataset used

A single denormalised HRIS export with 60 columns.