Amsterdam, NLShow transaction details on the matrix visual in Power BI
Marco Russo & Alberto FerrariThis article shows how to create a DAX measure that displays information from multiple columns in a business entity or transaction, into a single column of a matrix. Read more
Fixing the “Black Icons” issue in Power BI Desktop: understanding the problem and a temporary workaround
Marco RussoIn mid-January 2026, many Power BI Desktop users began noticing a strange visual regression: several icons in the interface—including the Data, Model, and DAX icons—appeared as solid black shapes instead of their normal outlines. The issue appeared suddenly, even on… Read more
Mar 30-Apr 1 - Houston
May 5-7 - Copenhagen
Video Training
Introducing DAX Video CourseFree
Analyzing the performance of limited and regular relationships
This article analyzes the performance of regular versus limited relationships in DAX to understand the implications of using limited relationships. Read more
What happened in the DAX world in 2025
It is time for our annual review of what happened in the DAX and SQLBI worlds, and what we should expect in 2026! Read more
DAX Patterns
Parent-child hierarchies
Parent-child hierarchies are often used to represent charts of accounts stores salespersons and such Parent-child hierarchies have a peculiar way of storing the hierarchy in the sense that they have a variable depth In this pattern we show how to… More on DAX Patterns
Microsoft Press
The Definitive Guide to DAX, Third Edition
The Definitive Guide to DAX is an authoritative resource for mastering the DAX language, which is pivotal for creating measures for semantic models in Microsoft Power BI, Fabric, Analysis Services, and Excel.
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