Data, Business Intelligence and Beyond
Max Wikström
Data Analysis Expressions (DAX) is a powerful language used in Power BI to create complex calculations and data analysis. One of the key features of DAX is the ability to use variables, which can significantly enhance the efficiency and readability of your code. This article explores the benefits of using variables in DAX, provides examples, … Read more
This post is aimed towards Power BI DirectQuery semantic models. However, a lot of the information in this post is also viable for import mode semantic models. This is a short summary with the purpose of giving you an overview of some important areas that can impact the performance of your Power BI DirectQuery semantic … Read more
Welcome back to part 3 in a series of articles where you will learn how to improve and optimize the performance of your Power BI DirectQuery semantic models.In part 1 we covered the basic aspects of DirectQuery semantic models in Power BI, such as the importance of star schema modeling in Power BI and how … Read more
In the first part of this series, we explored the essentials of Power BI’s DirectQuery mode. We discussed its core components and initial steps towards optimization. We touched on the topic of formula engine and the storage engine in Power BI, the importance of a well-structured data source, and the basics of optimizing Power BI … Read more
If you have a background in traditional database development you might have learned that using integer over e.g. string has a performance benefit in for example indexes and joins. You might have brought this knowledge with you into the world of Power BI or tabular development. Perhaps you are enforcing the use of integer columns … Read more
Welcome back to part two of how to level up your workflow and Power BI model using DAX Studio! I’m showing you my go to scenarios on when to use Power BI together with DAX Studio. In the first part of this post I started with an introduction to what DAX Studio is. I discussed … Read more
DAX Studio is a popular tool used by many Microsoft data professionals. It is commonly used as an advanced enterprise tool when working with tabular models. Are you new to DAX Studio or want to learn more about how to use it in combination with Power BI? Follow along while I show you my go … Read more
Vertipaq is the actual database engine used in Power BI. It is also the engine used in Analysis Services Tabular and Excel Power Pivot.One of the reasons behind Vertipaq’s great performance is due to the different compression and encoding techniques that it applies to the data. The overall purpose of the different compression techniques used … Read more