How can you use Excel and Power BI to gain real insights into your information? As you examine your data, how do you write a formula that provides the numbers you need? The answers to both of these questions lie with the data model. This book introduces the basic techniques for shaping data models in Excel and Power BI. It’s meant for readers who are new to data modeling as well as for experienced data modelers looking for tips from the experts. If you want to use Power BI or Excel to analyze data, the many real-world examples in this book will help you look at your reports in a different way – like experienced data modelers do. As you’ll soon see, with the right data model, the correct answer is always a simple one!
Gain an understanding of the basics of data modeling, including tables, relationships, and keys; Familiarize yourself with star schemas, snowflakes, and common modeling techniques; Learn the importance of granularity; Discover how to use multiple fact tables …