Amsterdam, NL
Register now

SQLBI+ updates in April 2025

We released a new course for our SQLBI+ subscribers: Security in Tabular Semantic Models. This course explains how to implement security in Tabular semantic models, considering different requirements, data model design, DAX implementation, and performance. The training is reference material…  Read more

DAX Patterns

Month-related calculations

This pattern describes how to compute month-related calculations such as year-to-date same period last year and percentage growth using a month granularity This pattern does not rely on DAX built-in time intelligence functions You can use the Month-related calculations pattern…  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