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Analyzing Data with Power BI and Power Pivot for Excel

Paperback Engels 2017 9781509302765
Verkooppositie 2634Hoogste positie: 2634
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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


Aantal pagina's:256
Hoofdrubriek:IT-management / ICT


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Over Marco Russo

Marco Russo is a Business Intelligence consultant and mentor. His main activities are related to data warehouse relational and multidimensional design, but he is also involved in the complete development lifecycle of a BI solution. He has particular competence and experience in sectors like financial services (including complex olap designs in banking area), manufacturing, gambling and commercial distribution. Marco is also a book author and, apart from his BI-related publications, he also wrote some books about .NET programming. He speaks at international conferences such as PASS Summit, SQLRally and SQLBits. Marco has achieved the unique SSAS Maestro certification and is also a Microsoft Certified Trainer with several Microsoft Certified Professional certifications.

Andere boeken door Marco Russo

Over Alberto Ferrari

Alberto Ferrari is a Business Intelligence consultant whose two main interests are in a methodological approach to the BI development lifecycle, and performance tuning of ETL and SQL code. His activities are related to designing and implementing solutions based on Integration Services and Analysis Services for the financial, manufacturing and statistical areas. He is also a book author and a speaker in international conferences such as PASS Summit, SQLRally and SQLBits. Alberto holds an SSAS Maestro certification.

Andere boeken door Alberto Ferrari


1. Introduction to data modeling
2. Using header/detail tables
3. Using multiple fact tables
4. Working with date and time
5. Tracking historical attributes
6. Using snapshots
7. Analyzing date and time intervals
8. Many-to-many relationships
9. Working with different granularity
10. Segmentation data models
11. Working with multiple currencies

APPENDIX A: Data modeling 101

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