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Data Modelling, Relationships & Joins

This story is from 2026-09-13. It is preserved in the archive; the latest stories are on the live feed.

Introduction A Power BI report is only as good as the data model sitting underneath it. For instance, two analysts can start with identical raw data and end up with wildly different reports; one fast, easy to extend, and simple to write DAX against; the other slow, tangled, and fragile the moment a…

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  1. 2026-09-13 20:03 · DEV Community — AI
    Data Modelling, Relationships & Joins

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