Relationships, Schemas and Joins in Power BI: A Practical Guide to Data Modelling

Flat tables, star schemas, snowflakes, cardinality, filter direction, and Power Query joins, in plain language. My first Power BI report was a 12 column table. It worked until finance asked for actual vs budget, and I discovered a flat table can't share a customer or date across two business processes. That's the lesson this post is really about:... Weiterlesen