Topic: SSAS
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This article describes how DAX Studio can analyze the SQL queries sent to a relational database by Power BI or Analysis Services Tabular in DirectQuery mode. Read more
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This article shows a technique in DAX to compute the sales volume of products that were available right from the beginning of a selected time period, ignoring products introduced afterwards. Read more
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This article describes the reasons why an Excel pivot table may be slow when using the Analyze in Excel feature of Power BI. Read more
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This article explains the roles of the formula engine and of the storage engine used to execute DAX queries. Read more
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This article provides a complete explanation of the behavior of the ALLxxx functions in DAX. When used as filters in CALCULATE, ALLxxx functions might display unexpected behaviors. Read more
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This article describes the behavior of the DAX functions that manipulate sets; they are useful to create queries and sometimes also to author measures. Read more
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This article describes in which conditions the precedence of calculation groups might return unexpected results when filtering calculation items in both the visuals and the measures present in a report. Read more
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This article describes the differences between eager evaluation and strict evaluation in DAX, empowering you to choose the best evaluation type for your data models. Read more
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This article describes how DAX automatically converts data types in arithmetic operations. These small details can cause and explain differences in results when using the same operations in other languages. Read more
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ALLSELECTED is a powerful function that can hide several traps. This article is an in-depth analysis of the behavior of ALLSELECTED, explaining shadow filter contexts, what they are and how they are used by ALLSELECTED. Read more