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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