Mastering DAX video course, 3rd edition
Marco Russo & Alberto FerrariThe third edition of the Mastering DAX video course is available! Read more
Creating functions for the like-for-like DAX pattern
This article offers a comprehensive guide to changing the like-for-like pattern into model-independent functions to enhance flexibility and simplify DAX code. Read more
Jul 21-23 - Amsterdam
Mar 30-Apr 1 - Houston
May 5-7 - Copenhagen
Video Training
Introducing DAX Video CourseFree
SQLBI+ updates in March 2026
Marco RussoWe released a new course for SQLBI+ subscribers: Understanding Visual Calculations in DAX. This is not an introduction to visual calculations for users. The goal is to explain the details of implementing visual calculations for experienced DAX developers, including new… Read more
Debugging DAX variables using TOJSON and TOCSV
This article describes how to use the TOJSON and TOCSV functions to inspect the content of intermediate table variables when debugging a DAX measure. Read more
DAX Patterns
Events in progress
The Events in Progress pattern has a broad field of application It is useful whenever dealing with events with a duration - events that have a start date and an end date The event is considered to be in progress… 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.
Read more