Continuing my series of posts on Power BI Copilot and the type of things you should be including in AI Instructions, today I ...

As you probably know, I work on the Fabric Customer Advisory Team at Microsoft. Apart from advising customers a lot of our team’s time is spent collecting feedback about Fabric and sending it back to ...

As you probably know, I work on the Fabric Customer Advisory Team at Microsoft. Apart from advising customers a lot of our team’s time is spent collecting feedback about Fabric and sending it back to ...

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 ...

There are a lot of articles and blog posts out there on how to handle OAuth2 authentication when connecting to REST APIs from Power Query in Power BI. However there is also a lot of confusion and ...

You probably know that semantic models in Power BI can use a fixed amount of memory. This is true of all types of semantic model – Import, Direct Lake and DirectQuery – but it’s not something you ...

In the last two posts in this series I showed how removing columns from the tables used in a Power Query merge operation can improve refresh performance. In this post I’ll show you a different trick ...

[Update September 2023: now that Power BI is part of Microsoft Fabric, the new features of Fabric make it much easier to solve this problem as described here] Power BI incremental refresh is a very ...

If you missed out on the big announcement last week about Tabular Model Definition Language and the future of Power BI version control at SQLBits last week, then the recording of the session has ...

I see a lot of Power BI datasets in the course of my work, and as a result I see a lot of datasets that look like this: What’s wrong with this picture? Look at the names: The tables and columns have ...

Dynamic M parameters are incredibly useful in Power BI when using DirectQuery mode because they allow you to pass values from your report direct to your data source query, bypassing Power BI’s own SQL ...

Recently we announced an important new optimisation for DirectQuery datasets: the ability to run (some) of the queries generated by a single DAX query in parallel. You can read the blog post here: A ...