Don’t let date columns ruin query folding in Power BI

Previously, I’ve written a blog post about Top N & query folding to improve report building. In this blog post I explained how query folding groups Power Query steps together and execute at the data source. Matt Allington also wrote a great blog with further explanation on how query folding works. While working on projects,…

Top N & query folding to improve report building!

Another week, another event done. This time it was SQL Saturday Helsinki, where I did two sessions. First session was the Power BI cheat sheet explained, and second Storytelling & interactive reporting, one of my favorite sessions to do. Today, another day in Helsinki, but since the weather isn’t that good, it is time for…

Pimp the dataflows connector in Power BI

Last week, I was challenged by moving my Power BI dataset through the next stage in my DTAP pipeline. I simply wanted to re-assign my connections to the data source in the next stage. In my case, I created a separate workspace including separate dataflows for each stage. Since de dataflows connector in Power BI is…

Power Platform Summit & Power BI gebruikersdag

Last week I attended at two events, the Power Platform Summit and the Power BI gebruikersdag (Power BI Saturday). During these events I presented multiple sessions on different topics. First of all, I would like to thank the program committee for selecting my sessions. In addition, I also want to thank everybody who attended at…

Dynamically expanding and appending tables with Power Query

It has been a month since my last blog post. So, it was about time for new content! Since last month I’m busy preparing for the Power Platform Summit at the end of March in Amsterdam, so not much time left. Find more about the summit on my events page. So far so good, now time…

Move from single to a multi-file strategy

In some cases, you might want to split your report and data model into separate Power BI Desktop files. For example, to work in together on the same content or create multiple reports based on the same dataset. There can be many reasons to do this. But once you started building everything one file, you…

Format your colors based on Advanced Controls

Power BI is the (best) data visualization tool of Microsoft. But how to apply your color formatting to your visuals without changing it by hand for every visual separately, which is an option of course, but in case you will get a next category in your visual, you have to manually add this to your…

Parameterize your data source!

The first step we take in every Power BI report, is connecting to the data source. But maybe you have to change your data source after a while. For example when your transferring your solution from development to acceptance or production. Of course, we can switch data source in the data source settings of our Power…

Multi-tier architecture and continuous delivery with Power BI

We live in a busy and stressful era. In our daily business we can not wait for weeks, months or even longer to get our insights. So we need to deliver faster. Therefor we are working agile to realize continuous delivery of results. The agile approach helps us to deliver small artifacts to the end-user…