A core capability of Power Query is to filter and combine, that is, to mash-up data from one or more of a rich collection of supported data sources. Any such data mashup is expressed using …

M code is the language behind the scenes of power query. When you create a data transformation in the power query editor UI, Excel is writing the corresponding M code for the …

Apr 25, 2025 · In this tutorial, we will show the best practices and impactful optimization techniques to help you achieve faster data processing. Optimizing Power Query (M) code is …

Master Excel M Language in Power Query with our comprehensive tutorial. Explore functions, syntax, and advanced techniques to enhance data analysis and visualization.

Feb 7, 2025 · Power Query automatically generates M code based on your "clickable" actions, but you can also write it manually for more complex operations. M is primarily written by calling pre …

Jan 27, 2025 · To create an advanced query, you use the Power Query advanced editor. A mashup query is composed of variables, expressions, and values encapsulated by a let …

Oct 12, 2025 · Every “step” you perform in the interface, shown on the right-hand side, automatically generates code in the background. This code is called M. You can view this …

I’m training my brain more and more to *think* in M code and DAX…while also reviewing SQL and VBA! Away from data, my other hobbies include: learning Spanish, playing chess, and drawing.

Sep 25, 2023 · This article introduces M language concepts and examples of using M to manipulate data in Excel.

Power Query M lets you define custom functions to bundle and reuse specific data transformation steps. These functions can be written within a query or in separate modules. The function's …