Chicago, IL, USFind the products in the top 10 every year with DAX
Marco Russo & Alberto FerrariThis article outlines the process of creating a measure to identify the top 10 products by sales each year. Read more
Using VALUES in SUMMARIZE
This article describes when to use VALUES in a table grouped by SUMMARIZE, then goes on to explain why you cannot however use VALUES with SUMMARIZECOLUMNS. Read more
Dec 2-4 - Amsterdam
Video Training
Introducing DAX Video CourseFree
Understanding value filter behavior in SUMMARIZECOLUMNS
Value filter behavior is a setting in Power BI semantic models that controls how filters are combined in SUMMARIZECOLUMNS. This article explains how it works and suggests its best configuration. Read more
Introducing calendar-based time intelligence in DAX
This article introduces the new calendar-based time intelligence functions in DAX, available in preview from the September 2025 release of Power BI. Read more
DAX Patterns
Comparing different time periods
This pattern is a useful technique to compare the value of a measure in different time periods For example we can compare the sales of the last month against a user-defined period The two time periods might have a different… More on DAX Patterns
SQLBI Corp.
Optimizing DAX, Second Edition
Optimizing DAX is the state-of-the-art book on optimizing DAX expressions in Power BI and Analysis Services semantic models.
Learn how to locate performance bottlenecks, read the query plan and performance metrics, rewrite the slower part of an expression, and measure the performance improvements. Read more