Analyzing Data with Power BI and Power Pivot for Excel
1st Edition
Published on 28. April 2017
256 pages
978-1-5093-0282-6 (ISBN)
Description
Renowned DAX experts Alberto Ferrari and Marco Russo teach you how to design data models for maximum efficiency and effectiveness.
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!
By reading this book, you will:
* 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, like sales and purchases, in a complex data model
* Manage calendar-related calculations by using date tables
* Track historical attributes, like previous addresses of customers or manager assignments
* Use snapshots to compute quantity on hand
* Work with multiple currencies in the most efficient way
* Analyze events that have durations, including overlapping durations
* Learn what data model you need to answer your specific business questions
About This Book
* For Excel and Power BI users who want to exploit the full power of their favorite tools
* For BI professionals seeking new ideas for modeling data
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!
By reading this book, you will:
* 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, like sales and purchases, in a complex data model
* Manage calendar-related calculations by using date tables
* Track historical attributes, like previous addresses of customers or manager assignments
* Use snapshots to compute quantity on hand
* Work with multiple currencies in the most efficient way
* Analyze events that have durations, including overlapping durations
* Learn what data model you need to answer your specific business questions
About This Book
* For Excel and Power BI users who want to exploit the full power of their favorite tools
* For BI professionals seeking new ideas for modeling data
All prices
More details
Series
Edition
1. Auflage
Language
English
Place of publication
Boston
United States
Publishing group
Microsoft Press,U.S.
Target group
Professional and scholarly
File size
14,23 MB
ISBN-13
978-1-5093-0282-6 (9781509302826)
Copyright in bibliographic data and cover images is held by Nielsen Book Services Limited or by the publishers or by their respective licensors: all rights reserved.
Schweitzer Classification
Other editions
Additional editions
Alberto Ferrari | Marco Russo
Analyzing Data with Power BI and Power Pivot for Excel
Book
05/2017
1st Edition
Microsoft Press
€36.49
Shipment within 3-4 weeks
Persons
Alberto Ferrari and Marco Russo are the founders of sqlbi.com, where they regularly publish articles about Microsoft Power Pivot, Power BI, DAX, and SQL Server Analysis Services. Both Ferrari and Russo provide consultancy and mentoring on business intelligence (BI). They are also frequent speakers at major international conferences, including Microsoft Ignite, PASS Summit, and SQLBits.
Content
CHAPTER 1 Introduction to data modeling
CHAPTER 2 Using header/detail tables
CHAPTER 3 Using multiple fact tables
CHAPTER 4 Working with date and time
CHAPTER 5 Tracking historical attributes
CHAPTER 6 Using snapshots
CHAPTER 7 Analyzing date and time intervals
CHAPTER 8 Many-to-many relationships
CHAPTER 9 Working with different granularity
CHAPTER 10 Segmentation data models
CHAPTER 11 Working with multiple currencies
APPENDIX A Data modeling 101
CHAPTER 2 Using header/detail tables
CHAPTER 3 Using multiple fact tables
CHAPTER 4 Working with date and time
CHAPTER 5 Tracking historical attributes
CHAPTER 6 Using snapshots
CHAPTER 7 Analyzing date and time intervals
CHAPTER 8 Many-to-many relationships
CHAPTER 9 Working with different granularity
CHAPTER 10 Segmentation data models
CHAPTER 11 Working with multiple currencies
APPENDIX A Data modeling 101
