Summary  
This chapter introduces how to implement extract-transform-load (ETL) pipelines, define data models, and perform calculations using a declarative expression language (DAX) to generate dynamic data visualizations.  

General domain of usage  
Business intelligence

**Power BI** is a business analytics service by Microsoft that enables users to visualize and analyze data with **interactive dashboards** and **reports**. It provides tools for aggregating, analyzing, visualizing, and sharing data, making it easier for organizations to make **data-driven decisions**.

Definition

This course uses the desktop version of **Power BI**, which is only supported on **Windows**. To follow along with the exercises, you will need access to a **Windows machine**.

Note

What is the primary function of Power BI?

What is Power BI?