Master data transformation techniques using Power Query in Excel and Power BI. Learn to manage, optimize, and automate your data workflows with practical examples.
Key Features
- Comprehensive coverage of Power Query from basics to advanced techniques
- Seamless integration and movement of queries between Excel and Power BI
- Hands-on practice with real-world data scenarios to build your confidence
Book Description
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.What you will learn
- Understand Power Query fundamentals
- Manage queries effectively
- Transform and cleanse data
- Import data from diverse sources
- Utilize advanced features like M language
- Automate and optimize data processes
Who this book is for
Ideal for data analysts, Excel users, and Power BI enthusiasts looking to streamline data processing. Readers should have a basic understanding of Excel and data handling concepts. No prior knowledge of Power Query is required.
Table of Contents
- The Data Revolution
- Power Query Fundamentals
- Query Management
- Data Types and Errors
- Moving Queries Between Excel & Power BI
- Importing from Flat Files
- Importing Data from Excel
- Simple Transformation Techniques
- Appending Data
- Combining Files
- Merging Data
- Web Based Data Sources
- Relational Data Sources
- Reshaping Tabular Data
- Conditional Logic in Power Query
- Power Query Values
- Understanding the M Language
- Parameters and Custom Functions
- Date and Time Techniques
- Query Optimization
- Automating Refresh
