This book begins with the fundamentals, introducing key concepts like let expressions, keywords, and identifiers, before guiding you through more advanced techniques such as creating custom functions, handling diverse data types, and building reusable queries. Each chapter combines theoretical insights with practical examples, empowering you to handle complex data challenges with confidence.

As you progress, you’ll learn how to master lookup formulas, manipulate data with unpivot, append, join, and group operations, and explore advanced table transformations. A dedicated section on data connectors provides in-depth knowledge of importing data from various sources and locales, ensuring flexibility and adaptability.

The book concludes with practical data modeling projects that include handling inconsistent tables, appending multiple files, and building dynamic SharePoint connections. With a final focus on privacy levels and data security, this book equips you to use Power Query effectively and securely in real-world scenarios.

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Spis treści

Transformative Magic of M Code in Power Query Excel & Power BI. A Beginner's Guide to Get the Data Structures Needed to Create Insightful Data Analysis Solutions eBook -- spis treści

• 1. Power Query and M Code
• 2. M Code Values
• 3. Custom Functions
• 4. M Code Lookup Formulas
• 5. Unpivot, Append, Join, and Group By
• 6. Data Connectors
• 7. Data Modeling