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Power BI DAX Fundamentals Mastering the Key Concepts
Rating: 4.7 out of 5(85 ratings)
450 students

Power BI DAX Fundamentals Mastering the Key Concepts

Power BI DAX Row Context, Filter Context, Context Transition, DAX Iterators, Expanded Tables in Power BI. Key Concepts
Created byDan We
Last updated 3/2026
English
English [Auto],

What you'll learn

  • The Power BI Key Concepts regarding DAX
  • Power BI DAX fundamental concepts
  • You understand Row Context in Power BI
  • You understand Filter Context in Power BI
  • You understand Iterators in Power BI
  • You understand Context Transition in Power BI
  • You understand Expanded Tables in Power BI
  • You become a better Power BI DAX user
  • Discover new job opportunities in a data driven future job market

Course content

3 sections • 37 lectures • 4h 21m total length

  • 0 Intro Power BI Fundamentals Key Concepts1:24
  • Download the resources here0:11

    Attached you finde the resources for the course to follow along as well as the finished pbix file.

    Best regards

  • 1 Getting started setting up the data model6:08

    Import data from Excel, select tables, and apply transforms: fill down. Create a date table with an M formula and link it to order date in orders via one-to-many relationships.

  • 2 A few words Before we Start and Introduction to Row Context5:30
  • 3 Row Context explained deep dive10:12

    Explore row context in Power BI DAX with a hands-on look at row-by-row calculations and real context. Compare calculated columns and measures to keep the model lean and performance strong.

  • 4 Iterators in Power BI deep dive8:31
  • 5 Iterators in Power BI deep dive 214:09
  • 6 Cleaning up the measures2:24
  • 7 Filter Context in Power BI4:25

    Master filter context in Power BI by distinguishing implicit and explicit filters, understanding their intersection, propagation through relationships, and how calculate and calculate table influence evaluation.

  • 8 Filter Context in Power BI Deep Dive 112:50
  • 9 FIlterContext in Power BI Deep Dive Part 26:36

    Understand how filter context interacts with the CALCULATE function in power bi, showing how external and internal filters can overwrite each other and how the keep filters function aligns them.

  • 10 Calculate and Filter Context in Power BI Deep Dive7:48

    Discover how Power BI DAX uses calculate and filter context to compute totals, filtering orders over 20 with filter and all, and evaluating measures on the resulting table.

  • 11 Filter Context in Power BI deep dive 417:03

    Explore how filter context shapes Power BI calculations using calculate and calculate table, remove filters, and propagate context through model relationships for accurate cross-filtering.

  • 12 Context Transition in Power BI11:28
  • 13 Context Transition with different levels or granularity10:15
  • 14 Context Transition What to be aware of9:53
  • 15 Expanded Tables in Power BI18:03

    Explore the expanded tables concept in Power BI, its effect on filter direction across one-to-many relationships, and how to avoid it with virtual tables and context transition.

  • DAX Motivation Keep going and don't give up1:02

    Stay motivated as you tackle DAX challenges, start small, practice regularly, dissect your code, and embrace repetition to master Power BI DAX fundamentals.

  • 16 Final words and important reminder0:51

Requirements

  • You should have some prior experience with Power BI and DAX
  • Knowledge based on my first Power BI course - Power BI Masterclass beginners to advance (or equivalent) is certainly helpful
  • This course teaches the fundamental concepts. (We do not cover visualization or various advanced DAX patterns for specific questions)

Description

Power BI DAX Fundamentals Mastering the Key Concepts


Business Intelligence / Business Analytics is in high demand. Companies are constantly searching for ways to make better and faster and smarter decisions. Therefore they rely heavily on data. Small company or Multinational -  data driven decision making is the key to success for any business in the world of tomorrow.

Because of that companies are drastically increasing to step up their efforts to find skilled employees and freelancers with the necessary capabilities to help with analyzing data and creating valuable highly profitable insights. 


This is why Power BI as the leading BI Tool from Microsoft is in very high demand. When we want to do Calculations in Power BI we need DAX

And there comes the question. How do I learn DAX? What is the best way to learn DAX fast?


The answer to this question is of course

practice, practice practice.

However when you want to have an advantage then this course is right for you.

Here we explore all the DAX fundamental key concepts

  1. Row Context

  2. Iterators

  3. Filter Context

  4. Context Transition

  5. Expanded Tables


We see a short theoretical part and then examples to fully understand them.


This course is meant as a source which you can refer back to anytime (And I encourage you to do this). Repeat the concepts from time to time and get the support you need on your MASTER DAX JOURNEY


The other course of this series on Udemy


Update: The complete Power BI Masterclass Series on udemy (I have aggregated some classes together to provide more content value per class for you. I really hope that serves you better!

1. Power BI Masterclass - beginners to advanced

2. Microsoft Power BI Masterclass - Expand Excellence

3.Power BI Masterclass - DAX, Excel And More

4. The Power BI Masterclass - Additional Tips and Tricks

5. Power BI Desktop - Data Prep Challenges

6. Power BI Masterclass - DAX, R and Gateways

7. Power BI Masterclass - Python Finance and Advanced DAX

8. Power BI Masterclass - the next level

9. Power BI DAX Fundamentals Mastering the Key Concepts

10. Power BI Masterclass Calculation Groups with Tabular Editor

11. The Power BI Service Masterclass

12. How to build a profit and loss statement in Power BI Desktop

Who this course is for:

  • Students who want to master Power BI DAX
  • You want to understand the key concepts in DAX
  • You want to become a better Power BI developper
  • Data Analysts and those who want to follow this career path
  • Data Scientits who want to use Power BI
  • Business users who work with Power Bi and need to create DAX calculations

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