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Mastering Microsoft Power BI – Second Edition - Second Edition

You're reading from Mastering Microsoft Power BI – Second Edition - Second Edition

Product type Book

Published in Jun 2022

Publisher Packt

ISBN-13 9781801811484

Pages 712 pages

Edition 2nd Edition

Languages

Concepts

Business Intelligence

Authors (2):

Gregory Deckler

Brett Powell

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Table of Contents (18) Chapters

Preface

1. Planning Power BI Projects

2. Preparing Data Sources

3. Connecting to Sources and Transforming Data with M

4. Designing Import, DirectQuery, and Composite Data Models

5. Developing DAX Measures and Security Roles

6. Planning Power BI Reports

7. Creating and Formatting Visualizations

8. Applying Advanced Analytics

9. Designing Dashboards

10. Managing Workspaces and Content

11. Managing the On-Premises Data Gateway

12. Deploying Paginated Reports

13. Creating Power BI Apps and Content Distribution

14. Administering Power BI for an Organization

15. Building Enterprise BI with Power BI Premium

16. Other Books You May Enjoy

17. Index

Relationships

Relationships play a central role in the analytical behavior and performance of the dataset. Based on the filters applied at the report layer and the DAX expressions contained in the measures, relationships determine the set of active rows for each table of the model that must be evaluated. Therefore, it’s critical that dataset designers understand how relationships drive report behavior via cross-filtering and the rules that relationships in Power BI must adhere to, such as uniqueness and non ambiguity, as discussed in the next section.

Uniqueness

Relationships in Power BI data models are always defined between single columns in two separate tables. While Power BI does support direct many-to-many relationships, it is recommended that relationships with a cardinality of many-to-many be avoided because this implies that the related columns both contain duplicate values for the related columns. Relationships based on columns containing duplicate values...

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Authors (2)

Gregory Deckler

Greg Deckler is Vice President of the Microsoft Practice at Fusion Alliance and has been a professional technology systems consultant for over 25 years. Internationally recognized as an expert in Power BI, Greg Deckler is a Microsoft MVP for Data Platform and a superuser within the Power BI community with over 100,000 messages read, more than 11,000 replies, over 2,300 answers, and more than 75 entries in the Quick Measures Gallery. Greg founded the Columbus Azure ML and Power BI User Group (CAMLPUG) and presents at numerous conferences and events, including SQL Saturday, DogFood, and the Dynamic Communities User Group/Power Platform Summit.

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Brett Powell

Brett Powell is the owner of and business intelligence consultant at Frontline Analytics LLC, a data and analytics research and consulting firm and Microsoft Power BI partner. He has worked with Power BI technologies since they were first introduced as the PowerPivot add-in for Excel 2010 and has been a Power BI architect and lead BI consultant for organizations across the retail, manufacturing, and financial services industries. Additionally, Brett has led Boston's Power BI User Group, delivered presentations at technology events such as Power BI World Tour, and maintains the popular Insight Quest Microsoft BI blog.

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