Summary

The M language forms the backbone of Microsoft Power Query's data transformation capabilities. M is widely used within the larger Microsoft ecosystem including a variety of software applications and web-based services. Many different types of data professionals can benefit from learning M to efficiently and effectively ingest and transform data across a wide range of scenarios. By mastering M, you gain the ability to efficiently handle complex data transformations, customize your data workflows, and optimize performance, thereby unlocking the full potential of Power Query for your data manipulation needs.In this chapter, we have explored the fundamentals of the Power Query Formula Language (M) including what M is, its history, who should learn M, and why individuals would want to learn M. In addition, we have explored how and where M is used. Finally, we have introduced the reader to some of the fundamental components and language constructs of M. These fundamental building...