There are some nice improvements to Power Query integration in the latest version of Power BI Report Builder that, while they are documented, didn’t get an official blog post but which I think deserve ...

Market basket analysis is a fairly well understood problem for SSAS – it’s best handled using many-to-many relationships, as shown in the excellent The Many-to-Many Revolution white paper. However the ...

When DirectQuery mode for Power BI was announced I assumed it was just the next version of SSAS Tabular DirectQuery mode with the same extra features that we’ll get in SSAS 2016 (such as better SQL ...

As you’ve probably seen in the blog post for the September 2026 release of Power BI, Import mode and Direct Lake mode semantic models now support the ApproximateDistinctCount() DAX function. I tested ...

One problem that can really drive you crazy when working with data from text files is the many different formats that dates and numbers can be stored in around the world. For example, take a look at ...

There are some nice improvements to Power Query integration in the latest version of Power BI Report Builder that, while they are documented, didn’t get an official blog post but which I think deserve ...

Continuing my (already very long) series on what information you should be adding to the AI Instructions of your semantic model and why, in this post I’ll show you the benefits of adding the DAX ...

As you’ve probably seen in the blog post for the September 2026 release of Power BI, Import mode and Direct Lake mode semantic models now support the ApproximateDistinctCount() DAX function. I tested ...

Here’s a situation I’ve found myself in many times. You’re called to help someone whose Power BI report is suddenly very slow. You ask whether any changes were made to the semantic model around the ...

One of the most common errors you’ll see when working with Power Query in Power BI or Excel is this: It can occur with almost any data source and in a wide variety of different circumstances, and for ...

If you’re using deployment pipelines with Direct Lake semantic models in Power BI you’ll have found that when you deploy your model from one stage to another by default the model still points to the ...