We are launching a new series of videos that we refer to internally as the “unplugged”. Why did we choose to set this series apart from the rest? You see, we usually publish videos with a specific topic and goal:…  Read more

This article shows an optimized DAX technique to display the first N products for each category in Power BI, adding a row that aggregates the value for all the other products. The companion video introduces the scenario and the general…  Read more

At the end of a year marked by the pandemic, it is time for our usual review of what happened in the DAX realm. The enthusiasm we typically demonstrate in this traditional end-of -year post is tainted this year by…  Read more

Power BI sets a new milestone in Business Intelligence: Marco describes the importance of new composite models in an article, and Alberto shows them in action in a video.  Read more

This article describes the memory configuration in SQL Server Analysis Services and Azure Analysis Services. Modifying these settings may impact performance and memory errors.  Read more

This article explains the roles of the formula engine and of the storage engine used to execute DAX queries.  Read more

A Tabular model can define a measure as a Key Performance Indicator (KPI), thus providing a visual indicator for status and trend. This article describes in detail the KPI settings needed to get the best result using Power BI and…  Read more

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

This article and its companion video describe how to create a service principal account to be used with the Power BI API. The reader must already be familiar with the Power BI API.  Read more

A Date table in Power BI can have a smaller number of columns by leveraging custom format strings to adequately control the chart visualization and the sort order.  Read more