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Expert Data Modeling with Power BI
Expert Data Modeling with Power BI

Expert Data Modeling with Power BI: Get the best out of Power BI by building optimized data models for reporting and business needs

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Expert Data Modeling with Power BI

Chapter 1: Introduction to Data Modeling in Power BI

Power BI is not just a reporting tool that someone uses to build sophisticated reports; it is a platform supplying a wide range of features from data preparation to data modeling and data visualization. It is also a very well-designed ecosystem, giving a variety of users the ability to contribute to their organization's data analysis journey in many ways, from sharing datasets, reports, and dashboards to using their mobile phones to add some comments to a report, ask questions, and circulate it back to relevant people. All of this is only possible if we take the correct steps in building our Power BI ecosystem. A very eye-catching and beautiful report is worth nothing if it shows incorrect business figures or if the report is too slow to render so the user does not really have the appetite to use it.

One of the most important aspects of building a good Power BI ecosystem is getting the data right. In real-world scenarios, you normally get data from various data sources. Getting data from the data sources and mashing it up is just the beginning. Then you need to come up with a well-designed data model that guarantees you always represent the right figures supporting the business logic so the report performs well.

In this chapter, we'll start by learning about the different Power BI layers and how data flows between the different layers to be able to fix any potential issues more efficiently. Then, we'll study one of the most important aspects of Power BI implementation, that is, data modeling. You'll learn more about data modeling limitations and availabilities under different Power BI licensing plans. Finally, we'll discuss the iterative data modeling approach and its different phases.

In this chapter, we'll cover the following main sections:

  • Power BI Desktop layers
  • What data modeling means in Power BI
  • Power BI licensing considerations for data modeling
  • The iterative data modeling approach
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Key benefits

  • Understand data modeling techniques to get the best out of data using Power BI
  • Define the relationships between data to extract valuable insights
  • Solve a wide variety of business challenges by building optimal data models

Description

This book is a comprehensive guide to understanding the ins and outs of data modeling and how to create data models using Power BI confidently. You'll learn how to connect data from multiple sources, understand data, define and manage relationships between data, and shape data models to gain deep and detailed insights about your organization. In this book, you'll explore how to use data modeling and navigation techniques to define relationships and create a data model before defining new metrics and performing custom calculations using modeling features. As you advance through the chapters, the book will demonstrate how to create full-fledged data models, enabling you to create efficient data models and simpler DAX code with new data modeling features. With the help of examples, you'll discover how you can solve business challenges by building optimal data models and changing your existing data models to meet evolving business requirements. Finally, you'll learn how to use some new and advanced modeling features to enhance your data models to carry out a wide variety of complex tasks. By the end of this Power BI book, you'll have gained the skills you need to structure data coming from multiple sources in different ways to create optimized data models that support reporting and data analytics.

Who is this book for?

This MS Power BI book is for BI users, data analysts, and analysis developers who want to become well-versed with data modeling techniques to make the most of Power BI. You’ll need a solid grasp on basic use cases and functionalities of Power BI and Star Schema functionality before you can dive in.

What you will learn

  • Implement virtual tables and time intelligence functionalities in DAX to build a powerful model
  • Identify Dimension and Fact tables and implement them in Power Query Editor
  • Deal with advanced data preparation scenarios while building Star Schema
  • Explore best practices for data preparation and modeling
  • Discover different hierarchies and their common pitfalls
  • Understand complex data models and how to decrease the level of model complexity with different approaches
  • Learn advanced data modeling techniques such as aggregations, incremental refresh, and RLS/OLS
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Publication date, Length, Edition, Language, ISBN-13
Publication date : Jun 11, 2021
Length: 612 pages
Edition : 1st
Language : English
ISBN-13 : 9781800205697
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Length: 612 pages
Edition : 1st
Language : English
ISBN-13 : 9781800205697
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Microsoft
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Table of Contents

17 Chapters
Section 1: Data Modeling in Power BI Chevron down icon Chevron up icon
Chapter 1: Introduction to Data Modeling in Power BI Chevron down icon Chevron up icon
Chapter 2: Data Analysis eXpressions and Data Modeling Chevron down icon Chevron up icon
Section 2: Data Preparation in Query Editor Chevron down icon Chevron up icon
Chapter 3: Data Preparation in Power Query Editor Chevron down icon Chevron up icon
Chapter 4: Getting Data from Various Sources Chevron down icon Chevron up icon
Chapter 5: Common Data Preparation Steps Chevron down icon Chevron up icon
Chapter 6: Star Schema Preparation in Power Query Editor Chevron down icon Chevron up icon
Chapter 7: Data Preparation Common Best Practices Chevron down icon Chevron up icon
Section 3: Data Modeling Chevron down icon Chevron up icon
Chapter 8: Data Modeling Components Chevron down icon Chevron up icon
Chapter 9: Star Schema and Data Modeling Common Best Practices Chevron down icon Chevron up icon
Section 4: Advanced Data Modeling Chevron down icon Chevron up icon
Chapter 10: Advanced Data Modeling Techniques Chevron down icon Chevron up icon
Chapter 11: Row-Level Security Chevron down icon Chevron up icon
Chapter 12: Extra Options and Features Available for Data Modeling Chevron down icon Chevron up icon
Other Books You May Enjoy Chevron down icon Chevron up icon

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Salman Jun 16, 2021
Full star icon Full star icon Full star icon Full star icon Full star icon 5
This book provides excellent meaningful and understandable language for any Power BI user. It is a great book if have a background and are interested in learning how to do things in Power BI. The author does an incredible job of outlining the issues you need to take into consideration but there's very little on the nuts and bolts of actually building Power BI apps. The book provides excellent in-depth knowledge of Power BI and different aspects of creating data model.
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Rajesh Sep 27, 2021
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Covers all the necessary concepts of Power BI and a must read for anyone trying to learn the tool!
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Behailu Jun 16, 2021
Full star icon Full star icon Full star icon Full star icon Full star icon 5
This book is an excellent guide to understanding data modeling and how to create data models using Power BI. The book covers how to connect data from multiple sources, understand data, define, and manage the relationships between data, and shape data models. The book also covers a range of aspects of data modeling such as star schema, RLS, and composite models.
Amazon Verified review Amazon
Amit Chandak Jul 22, 2021
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Any BI solutions requires a good data modelling. And if that is not taken care the it will become an endless loop for optimization. A bad model can provide you quick results but not extendable solution. This book is a sincere attempt to address this. As power bi enthusiast, you must learn the data model as that is key to success and this book is about how to it best for Power BI.
Amazon Verified review Amazon
Keerthi Oct 05, 2021
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This book is fantastic. Explanations are thorough and clear. Anyone who wants to master Power BI needs to read this.
Amazon Verified review Amazon
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