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Microsoft Power BI Quick Start Guide - Third Edition

You're reading from Microsoft Power BI Quick Start Guide - Third Edition

Product type Book

Published in Nov 2022

Publisher Packt

ISBN-13 9781804613498

Pages 330 pages

Edition 3rd Edition

Languages

Concepts

Business Intelligence

Authors (4):

Devin Knight

Erin Ostrowsky

Mitchell Pearson

Bradley Schacht

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Table of Contents (13) Chapters

Preface

1. Gaining Data Literacy with Power BI

2. Connecting to Data

3. Data Transformation Strategies

4. Building the Data Model

5. Leveraging DAX

6. Visualizing Data

7. Digital Storytelling with Power BI

8. Using a Cloud Deployment with the Power BI Service

9. Data Cleansing in the Cloud with Dataflows

10. On-Premises Solutions with Power BI Report Server

11. Other Books You May Enjoy

12. Index

Role-playing tables with DAX

In Chapter 4, Building the Data Model, you learned how to develop your data model to deal with role-playing tables, by importing a table multiple times. We mentioned then that there was an alternative method using DAX. In this section, we will explore this alternative method and the pros and cons of using DAX versus the method you have previously learned.

Since leveraging DAX does not require importing a table multiple times, you will immediately gain savings on storage and, unlike the other method, with DAX you will not need to manage multiple tables in Power BI Desktop.

The DAX method requires that inactive relationships be created in order to work correctly. Inactive relationships are not often used in DAX because they are not used automatically like active relationships. Unlike active relationships, you can have more than one inactive relationship between two tables.

Let's create a new relationship between the Internet Sales...

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Authors (4)

Devin Knight

Devin Knight a Microsoft Data Platform MVP and the President at Pragmatic Works Training. At Pragmatic Works, Devin determines which courses are created, delivered, and updated for customers, including 15+ Power BI courses. This is the tenth SQL Server and Business Intelligence book that he has authored. Devin often speaks at conferences such as PASS Summit, PASS Business Analytics Conference, SQL Saturdays, and Code Camps. He is also a contributing member to several PASS Virtual Chapters. Making his home in Jacksonville, FL, Devin is a contributor at the local Power BI User Group.

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Erin Ostrowsky

Erin Ostrowsky is a creative and passionate lifelong learner. She began her career as a business journalist and researcher and found herself drawn to the power of beautifully visualized data analysis. After living overseas, Erin returned to the USA looking to marry her communication background with a technical focus and found a life changing opportunity to work as a trainer for Pragmatic Works where she focused on creating new educational materials and delivering Power BI training around the country. Erin focuses on the Power Platform tools and loves working on teams to build business intelligence solutions that businesses use and enjoy.

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Mitchell Pearson

Mitchell Pearson has worked as a Data Platform Consultant and Trainer for the last 8 years. Mitchell has authored books on SQL Server, Power BI and the Power Platform. Data Platform experience includes designing and implementing enterprise level Business Intelligence solutions with the Microsoft SQL Server stack (T-SQL, SSIS, SSAS, SSRS), the Power Platform and Microsoft Azure. Mitchell is very active in the community: Running the local Power BI User Group, presenting at user groups locally and virtually, and creating YouTube videos for MitchellSQL

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Bradley Schacht

Bradley Schacht is a principal program manager on the Microsoft Fabric product team based in Saint Augustine, Florida. Bradley is a former consultant and trainer and has co-authored five books on SQL Server and Power BI. As a member of the Microsoft Fabric product team, Bradley works directly with customers to solve some of their most complex data problems and helps shape the future of Microsoft Fabric. Bradley gives back to the community by speaking at events, such as the PASS Summit, SQL Saturday, Code Camp, and user groups across the country, including locally at the Jacksonville SQL Server User Group (JSSUG). He is a contributor on SQLServerCentral and blogs on his personal site, BradleySchacht.

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