Impact of data types in DAX arithmetical calculations

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Relationships in Power BI aren't free. This post explains how the cardinality of the relationship key determines traversal cost, and why this ...

Episode 2.7: DirectQuery vs Import vs Direct Lake | Power BI Data Connectivity Architecture

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Power BI reports continue to help analysts build secure, governed BI experiences on semantic models, while Fabric Apps expands what developers...

When to Create a Lookup Table in Power BI

Level: Beginners Original Post: November, 2016 It was only a few months after Power BI was born, that Matt first posted on this topic.  At tha...

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DAX Fundamentals Part 3: The Patterns That Make Reports Work

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Column cardinality is one of the biggest factors in Power BI model size and query speed. This post explains why, and covers practical techniqu...