Video by: Reid Havens
Start thinking in DAX instead of Excel. This interactive guide walks through everything you need to build a mental model for Power BI calculations: what DAX actually is, how measures differ from calculated columns, table and column references, star schema basics, and how filters flow from dimension to fact tables. Part 1 of a 3 part DAX Fundamentals series.
Topics covered:
Excel formulas vs DAX: what changes and why
Measures vs calculated columns: when to use each
DAX syntax: table references, column references, and measure calls
Star schema: fact tables, dimension tables, and relationships
Filter flow: how slicers and relationships shape your results
