Power BI Copilot knows about the relationship between measures and tables, which means that it’s very good at knowing which ...

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

Power BI Copilot knows about the relationship between measures and tables, which means that it’s very good at knowing which measures can be broken down by which columns. For example, consider the ...

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 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… ...

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 ...

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 ...

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… ...

[Update September 2023: now that Power BI is part of Microsoft Fabric, the new features of Fabric make it much easier to solve this problem as described here] Power BI incremental refresh is a very ...

For any Power BI person, Direct Lake mode is the killer feature of Fabric. Import mode report performance (or near enough) direct on data from the lake, with none of the waiting around for data to ...

If you’re working with large amounts of data in Power BI you may find that you have problems because: Your pbix file is very large You spend a long time waiting for refreshes to finish in Power BI ...

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 ...