Book Image

Expert Data Modeling with Power BI - Second Edition

By : Soheil Bakhshi
4 (1)
Book Image

Expert Data Modeling with Power BI - Second Edition

4 (1)
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 full-fledged data models using Power BI confidently. In this new, fully updated edition, 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. As you advance through the chapters, the book will demonstrate how to prepare efficient data models in the Power Query Editor and use simpler DAX code with new data modeling features. You'll explore how to use the various data modeling and navigation techniques and perform custom calculations using the modeling features with the help of real-world examples. 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. Additionally, you'll learn valuable best practices and explore common data modeling complications and the solutions to supercharge the process of creating a data model in Power BI and build better-performing data models. 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 high-performing reports and data analytics.
Table of Contents (22 chapters)
1
Section I: Data Modeling in Power BI
4
Section II: Data Preparation in Query Editor
10
Section III: Data Modeling
13
Section IV: Advanced Data Modeling
20
Other Books You May Enjoy
21
Index

Understanding tables

From a data modeling perspective, tables are objects that contain related data by using columns and rows. In the Power Query Editor in Power BI, each query with Enable load activated becomes a table after loading into the data model.

Table properties

The table’s properties show up in the Properties pane when clicking on a table from the Model view in Power BI Desktop, as shown in the following image:

Figure 8.2: Table properties pane in the Model view

The following settings are currently available within the Properties pane. General includes the following general table properties:

  • Name: The name of the table. We can rename a table from here.
  • Description: We can write some descriptions about the table here. These descriptions show up in the Data view, as well as in the Report view, as shown in the following image:

Figure 8.3: The table description shows up in the Report view when hovering over a table

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