Topic: Power Pivot

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Challenge your #dax skills with DAX Puzzle #powerbi #powerpivot

Last week we launched a new page in SQLBI website: DAX Puzzle (you can also use www.daxpuzzle.com ). The idea is very simple: we describe a scenario, we ask to solve a problem in that scenario and we might provide some hint to help you finding the solution.  Read more

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Don’t ignore the Context Transition in #dax

Almost 3 years ago I wrote an article with the rules for DAX code formatting . If you quickly look at the article, you might think that it is all about readability of the code, and this is fundamentally true. But there two rules that have a particular  Read more

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Back to the basic: #dax primers for new #powerbi users

The growing adoption of Power BI Desktop is gathering new users of the DAX language. At the same time, there are a few new features, such as bidirectional filter propagation, that introduce new concepts to existing knowledge. For this reason, in the last  Read more

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Calculated Columns and Measures in DAX

One of the first concepts to learn in DAX is the difference between calculated columns and measures. This article shortly recaps the differences and describes when to use each one.  Read more

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Costs of Relationships in DAX

The relationships in a data model queried by DAX are a fundamental part of the engine and simplify the query itself. This article examines the cost of relationships in a data model, providing hints to optimize them.  Read more

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Data Model Size with VertiPaq Analyzer

Analyzing table and column size is an important step in optimizing a data model for Power Pivot, Power BI, or Analysis Services Tabular. This article describes VertiPaq Analyzer, an Excel workbook to analyze detailed information extracted from Dynamic Management Views.  Read more

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Parameters in DAX Measures

DAX is a functional language that does not allow you to create functions. However, if you need to pass a parameter to an algorithm, you can use a measure passing a value through a filter argument in CALCULATE, as described…  Read more