Topic: DAX

       39 videos of 371 posts
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Deep dive into DAX evaluation context

Ever struggled with a formula in DAX that does not compute what you want? It has happened to us many times, and we know that the problem is ALWAYS related to the evaluation context. Filter context, row context, and context…  Watch now

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Different types of many-to-many relationships in Power BI

The introduction of the weak relationships in Power BI composite models enables new data modeling techniques. However, not all of the many-to-many relationships can be managed by using weak relationship. The “classical” many-to-many relationships in data warehouse is a design…  Watch now

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Understanding relationships in Power BI

Relationships are the foundation of any Power BI or Analysis Services Tabular data model with multiple entities. At first sight, this is a trivial concept, especially if one has a knowledge of relational data modeling. However, the ability to create…  Watch now

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Power BI DAX optimization examples

How can you optimize your DAX expressions? In this session, we’ll analyze DAX expressions and Tabular models, then utilize DAX Studio and the VertiPaq model to explore how to optimize them. While most optimizations are the direct application of best…  Watch now

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Time intelligence in Microsoft Power BI

Every Microsoft Power BI model has dates and the need for calculation over dates to aggregate and compare data, like year-to-date, same period last year, moving average, and so on. Quick measures and DAX functions can help, but how do…  Watch now

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My Power BI report is slow: what should I do?

You have created a wonderful looking Power BI report, but when you open it you find it is not rendering as fast you want. This session covers where should you start analyzing the problem and what can you do to…  Watch now

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Time Intelligence in Power BI – Global Power BI User Group

Time Intelligence is probably the most interesting feature of any analytical solution. Computing Year-To-Date, Month-To-Date, Same-Period-Last-Year, is quite easy in DAX but, as soon as the customer requests for time intelligence comparing data from different tables, or to manage non-standard…  Watch now

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DAX Best Practices – SQLBits 2018

As with any other language, you can write good DAX but you can also write bad DAX. Good DAX works fine, it is fast and reliable and can be updated easily. Bad DAX, on the other hand is… well, just…  Watch now

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DAX Studio 2.7 – Improved Debug Experience

DAX Studio 2.7 largely improved the debug experience by adding several feature described in this video: Tooltips for column statistics, capture all queries, and generate dependent measures.  Watch now

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VertiPaq Analyzer 1.7

VertiPaq Analyzer is useful to analyze VertiPaq storage structures for a data model in Analysis Services Tabular. Learn how to connect VertiPaq Analyzer to Power BI and to SSAS Tabular, and see quick overview of the features available. Then, download…  Watch now