M Language Basics
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What is M Language Basics?
M is the functional language used by Power Query to define data transformations. Every query is a sequence of steps expressed as M expressions, with each step referencing the result of the one before it. Learning its syntax, such as let and in blocks, lets users write custom logic beyond what the graphical interface supports.
Free resources to learn M Language Basics
- Official docsQuick tour of the Power Query M formula language
- Official docsUnderstanding Power Query M functions
- VideoPower query M language
- VideoM Query Tutorial for Beginners
More in stage 5: M Language Basics
M Language Basics: common questions
Can I learn M Language Basics in Hindi?
This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain M Language Basics in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.
Is this M Language Basics tutorial for beginners?
It is lesson 24 of 131 in the free Power BI roadmap, in stage 5, M Language Basics. If you are new to Power BI, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.