A blog about Microsoft Fabric, Power BI, SQL Server Analysis Services (Multidimensional and Tabular), MDX, DAX, Power Pivot, Power Query and Excel for BI ...

Some good news: an important optimisation has rolled out for Excel PivotTables connected to Power BI semantic models! Back in 2019 I wrote about a very common problem affecting the MDX generated by ...

I don’t usually like to blog about topics that I think other people have blogged about already, but despite the fact that Mosha blogged about this several years ago (in fact more than eight years ago, ...

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 ...

One slightly frustrating feature of Power BI is that some of the cool stuff you can do in M code for loading data, and which works in Power BI Desktop (and in Power Query), causes errors when you try ...

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 ...

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 ...

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 ...

I was looking at the list of M functions supported in custom connectors and not in Power BI Desktop (using the technique I blogged about here) in the latest version of the Power Query SDK when I came ...

Power BI Premium has supported metadata translations – translations for table, column and measure names etc – for a while now. Kasper has a great blog showing how to use this feature here; Tabular ...

One Power BI feature that almost passed me by (because it was released in August while I was on holiday) was the ability to create streaming datasets in the Power BI web app and push data to them via ...