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DAX Patterns

Related distinct count

The Related distinct count pattern is useful whenever you have one or more fact tables related to a dimension and you need to perform the distinct count of column values in a dimension table only considering items related to transactions…  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