Pro DAX and Data Modeling in Power BI: Creating the Perfect Semantic Layer to Drive Your Dashboard Analytics

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2023

A. AspinPro DAX and Data Modeling in Power BIhttps://doi.org/10.1007/978-1-4842-8995-2_2

2. Extending the Data Model

Adam Aspin¹  

(1)

STAFFORD, UK

 

In the first chapter you learned how to join tables to create a data model that you can use to analyze data across a set of tables. This is the necessary first step to delivering a structured data model. However, it is only a first step. This initial structure needs to be developed and polished to enable it to deliver the analytics that you require. So in this chapter you will see how to extend the core data model by

• (Re)naming tables and fields

• Specifying data types

• Categorizing data

• Formatting data in the data model ...