The Definitive Guide to Power Query (M): Mastering Complex Data Transformation with Power Query
by: Greg Deckler(Author),Rick de Groot(Author),Melissa de Korte(Author)&1more
Publisher: Packt Publishing
Publication Date: 29 Mar. 2024
Language: English
Print Length: 758 pages
ISBN-10: 1835089720
ISBN-13: 9781835089729
Book Description
Learn how to use the Power Query M formula language and its functions effectively for better data modeling and impactful business intelligence reports.Purchase of the print or Kindle book includes a free PDF eBook
Key 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 manipulation
Book 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 implement advanced concepts and data transformations before going on a no-compromise 'deep dive' into the Power Query M 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 improve 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 values, types, 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 patterns
Who 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. This book will be beneficial for anyone who wants to automate their process of data cleaning and save huge amount of time. Having some basic experience in Power Query is recommended.
Table of contentsIntroducing MWorking with Power Query/MAccessing and Combining DataUnderstanding Values and ExpressionsUnderstanding Data TypesStructured ValuesConceptualizing MWorking with Nested StructuresParameters and Custom FunctionsDealing with Dates, Times, and DurationsComparers, Replacers, Combiners, and SplittersHandling Errors and DebuggingIteration and RecursionTroublesome Data PatternsOptimizing PerformanceEnabling Extensions
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