Here’s yet another post in my series on things I think you should be doing in Power BI Copilot AI Instructions. Today: validating values that users enter as filters in their prompts. It’s something of ...

Continuing my series on Power BI Copilot AI Instructions (see also my previous post which is the only other one so far), in this post I’d like to show some examples of how you can specify groups of ...

One of the most common errors you'll see when working with Power Query in Power BI or Excel is this: Expression.Error: The key didn't match any rows in the table It can occur with almost any data ...

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 ...

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 ...

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 ...

In part 1 of this series I showed how you could create a very simple custom connector for Power Automate that allows you to call the Power BI Enhanced Refresh API. However, I didn’t show what I think ...

AI is meant to help us automate boring tasks, and what could be more boring than creating documentation for your Power BI semantic models? It’s such a tedious task that most people don’t bother; there ...

I’ve done it for a few other groups over the last six months but this is the latest and best version, I think. I’ve worked with several customers using DirectQuery mode since I joined the CAT team and ...