Microsoft Power BI DAX is the most in-demand data analysis skill for business analysts, data analysts, and finance professionals in 2026. This complete DAX course teaches you everything — from writing your first DAX formula to mastering CALCULATE, time intelligence, and advanced data modeling in Microsoft Power BI Desktop.

If you use Power BI but struggle with DAX formulas, measures, and calculations — this course was built specifically for you. No prior DAX knowledge required. No programming background needed. Just a free installation of Microsoft Power BI Desktop and the willingness to learn.

Why this course is different from every other DAX course on Udemy:

Every single lecture in this course is built around the NexaRetailGlobal dataset — a fictional Fortune 500-style global retail company with 15,000 real-world sales transactions, 27 countries, 100 stores, and 9 interconnected data tables. You are not learning DAX in isolation. You are solving real business problems with real data from day one.

What you will learn in this Microsoft Power BI DAX course:

How the DAX engine works — VertiPaq storage, filter context, row context, and query evaluation explained clearly
Core DAX functions — SUM, AVERAGE, COUNT, CALCULATE, FILTER, ALL, DIVIDE, RELATED, and more
Time intelligence DAX functions — TOTALYTD, DATEADD, SAMEPERIODLASTYEAR for year-over-year analysis
DAX variables — VAR and RETURN syntax for writing cleaner, faster, and more professional measures
Data modeling in Power BI — star schema design, relationships, fact tables, and dimension tables
DAX best practices — professional formatting, naming conventions, dedicated measures table, and display folders
Error handling — IFERROR and ISBLANK to build production-ready Power BI reports
Math and statistical DAX functions — ROUND, ABS, SQRT, MEDIAN, PERCENTILE, STDEV, and more

Who this Microsoft Power BI DAX course is for:

This course is designed for complete beginners who have never written a DAX formula, Power BI users who know the basics but struggle with CALCULATE and context, data analysts and business analysts who want to level up their Power BI skills, finance professionals who need to build accurate KPI reports, and MBA students who want to add business intelligence and data analysis to their resume.

By the end of this course:

You will write DAX measures with confidence. You will understand exactly why every measure behaves the way it does. You will build professional Power BI reports using real business data. And you will have the DAX skills that employers and clients are actively looking for in 2026.

This is not just a DAX tutorial. This is a complete Microsoft Power BI data analysis masterclass — built for results.