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Expert Data Modeling with Power BI

Expert Data Modeling with Power BI

By : Soheil Bakhshi
5 (8)
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Expert Data Modeling with Power BI

Expert Data Modeling with Power BI

5 (8)
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)
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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

Chapter 4: Getting Data from Various Sources

In the previous chapters, we discussed some aspects of data modeling, including various layers in Power BI, how the data flows between different layers, virtual tables in Data Analysis Expressions (DAX), and how they relate to data modeling. We also discussed how to leverage the power of query parameters and create custom functions in the Query Editor with the Power Query formula language.

In this chapter, we will learn how to get data from various data sources. We then walk through some known challenges and common pitfalls in getting data from some of those data sources. We will also discuss data source certification and different modes of connection to various data sources.

In this chapter, you will learn about the following topics:

  • Getting data from common data sources
  • Understanding data source certification
  • Working with connection modes
  • Working with storage modes
  • Understanding dataset storage modes
...
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