However, there’s something else that this new functionality offers as well as the ability to ask questions about any of your data: it makes it easier to find the reports and semantic models that you ...

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 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 ...

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 ...

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 ...

At the end of last year two new, fairly minor, improvements were made to Excel VBA’s support for Power Query: you can now refresh and delete individual Power Query queries. These methods are available ...

When you connect to a relational database like SQL Server in Power BI/Power Query/Excel Get & Transform you have two choices about how to get the data you need: You can choose a table from the ...

Some time ago I wrote a pair of popular posts about using the Query and RelativePath options of the Web.Contents function in Power Query and why they are important for dataset refresh. I have recently ...

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 ...

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 ...

In the first part of this series I talked about why you might want to test the performance of a Power BI report in the browser, as opposed to using Performance Analyzer in Power BI Desktop, and the ...