Book Image

Expert Data Modeling with Power BI

By : Soheil Bakhshi
Book Image

Expert Data Modeling with Power BI

By: Soheil Bakhshi

Overview of this book

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.
Table of Contents (18 chapters)
1
Section 1: Data Modeling in Power BI
4
Section 2: Data Preparation in Query Editor
10
Section 3: Data Modeling
13
Section 4: Advanced Data Modeling

To get the most out of this book

You will need to download and install the latest version of Power BI Desktop. All expressions have been tested in the March release of Power BI Desktop and will work in the later versions released on later dates. In addition to Power BI Desktop, you will need to install and use DAX Studio and Tabular Editor.

Note

Since January 31, 2021, Power BI Desktop is no longer supported on Windows 7.

In some chapters, you may need to have a Power BI Service account. You can sign up for a Power BI Service as an individual. Read more here: https://docs.microsoft.com/en-us/power-bi/fundamentals/service-self-service-signup-for-power-bi?WT.mc_id=5003466.

If you are using the digital version of this book, we advise you to type the code yourself or access the code via the GitHub repository (link available in the next section). Doing so will help you avoid any potential errors related to the copying and pasting of code.

This book assumes that you are familiar with data warehousing and star schema terminology . However, the book tries to give a brief explanation of some terminologies when required.