London, England, GBIntroducing AI and agentic development for Power BI
Kurt BuhlerThis article is about useful concepts and scenarios for integrating AI and AI agents in BI development, with specific examples for Power BI. Read more
AI workflows and agentic development for Power BI: An initial review
Overview of the various capabilities of AI workflows and agentic development for Power BI. The focus is on AI for BI professionals, not conversational BI for data consumers. Read more
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Video Training
Introducing DAX Video CourseFree
Using VALUES in iterators
Marco Russo & Alberto FerrariWhy and when you should use VALUES while iterating a table reference in DAX. Read more
SUMMARIZECOLUMNS best practices
SUMMARIZECOLUMNS is a powerful and complex function in DAX that in 2025 can be used in measures. This article outlines the best practices when using this function to avoid incorrect results. 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