As a Power Query fan I’m naturally interested in Copilot in Dataflows Gen2. But since Power Query is already very easy to use and since I’m pretty experienced at using it, can Copilot really do ...

As a Power Query fan I’m naturally interested in Copilot in Dataflows Gen2. But since Power Query is already very easy to use and since I’m pretty experienced at using it, can Copilot really do ...

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 ...

The Web.Contents() function in M is the key to getting data from web pages and web services, and has a number of useful – but badly documented – options that make it easier to construct urls for your ...

One very common requirement when creating a Power BI report is the ability to apply a filter for the current day, week, month, quarter or year. There are several ways of implementing this: you could ...

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 ...

Here’s a recording of a session I did for the Manchester (UK) Power BI user group recently on best practices for DirectQuery mode in Power BI: I’ve done it for a few other groups over the last six ...

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 ...

My posts from two weeks ago (see here and here) on using Process Monitor to troubleshoot the performance of Power Query queries made me wonder about another question: how does the performance of ...

Do you have Analysis Services Multidimensional cubes in production? Although I know it’s a long time since I last posted any Multidimensional/MDX content here I hope I still have some readers who do.

A long time ago someone – probably from the Power Query dev team – told me that adding primary keys to M tables could improve the performance of certain transformations in Power BI and Excel Power ...