Recently I had a request for help from someone who wanted to do the following in Power Query: take a piece of text and then, using a table, search for all of the occurrences of the words in one column ...

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 almos… ...

One of the most confusing, under-documented and widely-misunderstood features of Power BI and Power Query (or Excel “Get & Transform” or whatever you want to call it) are the data privacy settings. I ...

There are hundreds of different methods for generating a Date dimension table for use in Power Pivot: you can use TSQL, Excel formulas, import from the DateStream table in the Windows Azure ...

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 yo… ...

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… ...

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 coul… ...

In my recent post on web services in Power Query I mentioned that while the Power Query Web.Contents() function generates a GET request by default, you can make it generate a POST request by specif… ...

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 ...

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 ...

Jason Thomas and Gerhard Brueckl have both blogged on the subject of storing images as text inside a Power BI dataset: Since they wrote those posts, however, Power BI has added the ability to set t… ...

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, ...