DAX

ARTICLE

Using DAX Editor

daxeditor

This article describes how to improve the productivity when you editing DAX measures in a SSAS Tabular model by using the DAX Editor for Visual Studio.

VIDEO

DAX Editor – Introduction

Learn how to install and use DAX Editor for Visual Studio

ARTICLE

Analyzing events with a duration in DAX

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This article analyzes how to efficiently work with events that lasts over time, such as the duration of an order considering the distance between order date and ship date.

ARTICLE

Analyze DirectQuery requests using DAX Studio

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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.

ARTICLE

Numbering sequence of events in DAX

eventssequence_01

This article explains how to create a calculated column in DAX to get a sequential number identifying the events related to a particular entity.

ARTICLE

Using ALLEXCEPT versus ALL and VALUES

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This article describes the semantic difference between ALLEXCEPT and the joint use of ALL and VALUES, showing practical examples of the different results in Power BI and SSAS 2016.

ARTICLE

DAX coding style using variables

This article shows how variables in DAX can impact the coding style, simplifying a step-by-step approach and improving the readability of your code.

ARTICLE

Physical and Virtual Relationships in DAX

DAX calculations can leverage relationships present in the data model, but you can obtain the same result without physical relationships, applying equivalent filters using specific DAX patterns. This article show a more efficient technique to apply virtual relationships in DAX expressions.

ARTICLE

Optimizing DAX expressions involving multiple measures

Measures summed

Writing measures referencing other measures is in general a good idea that simplifies the DAX code, but you might face specific bottlenecks. This article describes which performance issues might arise when different measures aggregate the same column using different filter arguments, and how to improve efficiency of your DAX code.

ARTICLE

Many-to-many relationships in Power BI and Excel 2016

The new DAX available in Excel 2016 and the data model in Power BI and Analysis Services 2016 offer tools to manage many-to-many relationships in a more efficient way than previous version, as described in this article.