The time has come: in 2026, using AI to write DAX has started to be effective. Let me recap what has changed between 2023 and 2026, and what we are doing with our three new courses to best assist you…  Read more

Microsoft recently introduced a new default visual design style for Power BI named Fluent 2. I personally disagree with a few choices in the new defaults, including the removal of alternating row colors from Table and Matrix visuals. However, the…  Read more

3 years ago, we wrote our “Generative AI guidelines at SQLBI”. We think it’s time to update them. Over the past 3 years, the world has changed: it is simply no longer possible to avoid using generative AI services for…  Read more

We released a new session in SQLBI+: How to navigate the lattice of visual calculations: This video explains how to navigate the lattice of visual calculations in DAX, using COLLAPSEALL and EXPAND to move between levels. A key topic is…  Read more

Alberto and I recorded an unplugged session to talk about the new edition of the Mastering DAX Video Course. You can watch it above, but if you prefer a quick read, here are some thoughts. The question we heard the…  Read more

We 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

In 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

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

Three months ago, Microsoft introduced the User-Defined Functions (UDFs) in the DAX language. From the first day, https://daxlib.org has been available to share libraries of functions with the Power BI community. We published DAX Lib with a low profile because…  Read more

For many years, SUMMARIZECOLUMNS has been a function dedicated to DAX queries and calculated tables, but it was not supported in DAX measures. Over time, Microsoft lifted the limitations, and in June 2024, the function was declared as fully supported…  Read more