I recently wrote a few articles about a new function in DAX and the use of variables. For those of you using Power BI or Azure Analysis Services, you always have access to the latest version of the language. Well, in reality I see that new features appears
This article explains how to improve DAX queries using GENERATE and ROW instead of ADDCOLUMNS when you create table expressions.
This article describes how the SELECTEDVALUE DAX function simplifies the syntax required in many scenarios where you need to read a single value selected in the filter context.
This article shows how to define variables in DAX queries and introduces the differences in scope when there are multiple EVALUATE statements.
In the next three weeks I will deliver many speeches and training in United States. Here is the list: June 11, 2017 : Precon Data Modeling with Power BI at Microsoft Data Insights Summit (Seattle, WA) June 12, 2017 : Workshop DAX 101 at Microsoft Data
SQLBI offers a new introductory DAX video course called Introducing DAX. This article describes which users will benefit more from this learning experience, and how to enroll in the course.
This article presents different techniques to compute a rownumber column in DAX based on a specific ranking, comparing slow and optimized approaches.
I recently wrote an article about duplicated names in DAX to highlight a possible case where you can have a measure with the same name of a column. This is not a good idea, mainly because the syntax to reference a measure and a column is identical, and
This article describes how DAX resolves column and measure names in DAX, providing best practices to avoid conflicting names.
This article describes a number of techniques available to filter tables in DAX, showing possible pitfalls that you can avoid once you know them, in particular using bidirectional filters. One of the hardest things to do, when learning DAX, is to get rid of common sense reasoning and learn to
