Master Your Data with Power Query in Excel and Power BI. Leveraging Power Query to Get & Transform Your Task Flow

Master Your Data with Power Query in Excel and Power BI. Leveraging Power Query to Get & Transform Your Task Flow - Opis

This book equips you with the essential skills to master Power Query in Excel and Power BI. Starting with the basics, you'll learn query management, data types, and error handling, establishing a solid foundation. You'll explore techniques to move queries between Excel and Power BI, ensuring seamless workflow integration. As the guide progresses, you'll delve into data import methods from flat files, Excel, web-based, and relational sources, while performing key transformations like appending, combining, and reshaping data.Advanced topics such as conditional logic, Power Query values, and M Language fundamentals will enhance your ability to customize and optimize queries. The book also covers the creation of parameters and custom functions, alongside applying sophisticated date and time techniques.Finally, you'll learn to optimize query performance and automate data refreshes, ensuring your analysis remains current. By the end of this guide, you'll have the confidence and expertise to effectively transform and manage data using Power Query, significantly enhancing your data analysis capabilities in Excel and Power BI. Spis treści: 1. The Data Revolution2. Power Query Fundamentals3. Query Management4. Data Types and Errors5. Moving Queries Between Excel & Power BI6. Importing from Flat Files7. Importing Data from Excel8. Simple Transformation Techniques9. Appending Data10. Combining Files11. Merging Data12. Web Based Data Sources13. Relational Data Sources14. Reshaping Tabular Data15. Conditional Logic in Power Query16. Power Query Values17. Understanding the M Language18. (...) więcej Parameters and Custom Functions19. Date and Time Techniques20. Query Optimization21. Automating Refresh mniej