After you publish changes to a Power BI semantic model it can take a few minutes, sometimes up to an hour, for updates to the AI Instructions to be applied. This means if you’re testing Power BI ...

One of the most common questions I hear about Power BI Copilot is how you can stop it from guessing what a user means when they ask an ambiguous question, and instead get it to ask for clarification.

Reviews of "The AI Value Playbook" and "The Complete Power BI Interview Guide" ...

Here’s yet another entry in the list of useful things I learned from Ehren von Lehe on the Power Query MSDN forum: Table.Buffer () does not buffer nested table, record or list values inside the cells ...

As a Power BI semantic model developer, one of the first things you will learn about is using the Sort By Column property to make sure the values in a column – for example days of the week or months ...

…then Fiddler shows a completely different request made: In this case it does not try to fold the filter, but it at least does the expansion in a single request. The performance of the resulting query ...

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 ...

It’s time for another short post on the free books that various authors have been kind enough to send me over the last few months. Full disclosure: these aren’t reviews as such, they’re more like free ...

Now that Fabric Data Agents (what used to be called AI Skills) can use Power BI semantic models as a data source I’ve been spending some time playing around with them, and while I was doing that I ...

After years of meaning to learn how to use Excel Solver, this week I’ve finally made a start: I want to use it to work out the optimal way of distributing workspaces across capacities in a Fabric ...

I have known for a while that setting the Data Category property on a column can influence the results you get from Power BI Copilot but I have struggled to find a scenario where it actually makes a ...