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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 3: Data Preparation in Power Query Editor

In the previous chapters, we discussed various layers in Power BI and went through some scenarios. By now, it should be pretty clear to you that Power BI is not only a reporting tool. Power BI is indeed a sophisticated all-round business intelligence (BI) technology, with the flexibility to be used as a self-service BI tool that supports many BI aspects such as extract, transform, and load (ETL) processes, data modeling, data analysis, and data visualization. Power BI, as a powerful BI tool, is improving every day, which is fantastic. The Power BI development team at Microsoft is constantly bringing new ideas to this technology to make it even more powerful. One of the BI areas that Power BI is great for is taking care of ETL activities in the data preparation layer, with the so-called Power Query Editor in Power BI. Power Query Editor is the dedicated tool in Power BI to write Power Query expressions, and is also available in Excel...

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