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SQLBI+ updates in March 2026

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

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


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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