Get comprehensive coverage of Power Query M formula language and functions to build better data models and business intelligence reports Purchase of the print or Kindle book includes a free PDF eBookKey FeaturesGet comprehensive coverage of fundamental and advanced Power Query conceptsGain hands-on experience with practical examples based on real-world problemsDelve into the intricacies of Power Query M language for enhanced data manipulationBook DescriptionData transformation is a critical step in building data models and business intelligence reports. Power Query is an invaluable tool for anyone who wants to master data transformation, and this book will equip you with the knowledge and skills to make the most of it.The Definitive Guide to Power Query (M) will help you build a solid foundation in the Power Query M language. As you progress through the chapters, you'll learn how to use that knowledge to explore implement advanced concepts and data transformations before going on a no-compromise 'deep dive' into the Power Query language.You'll also get to grips with optimizing performance, handling errors, and implementing efficient data processing techniques. As this is a hands-on guide, the practical examples in the chapters will help you gain the skills to apply Power Query to real-world problems and enhance your data analysis capabilities.By the end of this book, you will be able to leverage all of Power Query's remarkable capabilities for data transformation.What you will learnGain a strong understanding of Power query fundamentalsMaster various functions within Power Query to perform complex data operationsAcquire knowledge about types, tables, and control structures in Power QueryDevelop proficiency in error handling techniquesLearn performance optimization strategies for Power QueryApply what you've learned to real-world scenarios, including common troublesome patternsWho This Book Is ForThis book is for business analysts, business intelligence professionals, and power business users working with data who want to add Power Query mastery to their resume. Basic knowledge of programming and Power BI is a prerequisite.Table of ContentsIntroducing MWorking with Power Query MUnderstanding Type in Power Query MBuilding Blocks of MHandling ErrorsUtilizing Selection, Projection and ParametersAccessing and Combining DataConceptualizing Combiners, Comparers, Replacers and SplittersExplaining Environment and ScopeWorking with Nested StructuresRealizing RecursionEnabling ExtensionsDealing with Dates, Times, and DurationsDebugging and Optimizing PerformanceDocumenting, Metadata and SectionsTackling Troublesome Data Patterns