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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

Ranking

The ability to rank things is a very common requirement Finding the best customers computing the ranking position of products or detecting the countries with the best sales volumes are among the questions most frequently asked by management Ranking can…  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