Power BI DAX Tutorial for Beginners (2025): Master DAX in ONE Course!

In Power BI DAX Tutorial for Beginners (2025), Mitchell Pearson introduces DAX as the language that unlocks real analytical power in Power BI and Fabric semantic models. You’ll start by understanding what DAX is used for and how it shows up in day-to-day reporting, then build confidence through hands-on examples that explain the “why” behind the formulas, not just the syntax. Mitchell walks through the core difference between calculated columns and measures, showing how columns help describe data while measures deliver dynamic calculations that respond to filters in your report. From there, the course builds into the concepts that make DAX click, including row context vs. filter context, how relationships influence results, and why functions like RELATED, RELATEDTABLE, and X functions matter when you’re working across tables. You’ll also learn the foundations of time intelligence, get introduced to the CALCULATE function, and see modern tools like DAX Query View and Copilot features that can accelerate your learning and troubleshooting. By the end, you’ll have a clear mental model for writing DAX that’s accurate, scalable, and ready for real reporting scenarios. Class File can be