The 2020 edition places a heavy emphasis on the Power Query Editor. This is where the magic happens before any visuals appear on the screen. Students learn to connect to various data sources, including Excel files, SQL databases, and web scraping. The course focuses on cleaning messy data by removing duplicates, pivoting columns, and changing data types to ensure the final report is accurate and performant. Mastering Data Modeling and DAX
A highlight of this introduction is the deep dive into data modeling. Creating relationships between tables is a critical skill that separates amateurs from pros. The 2020 curriculum explains the "Star Schema" and how to manage one-to-many relationships effectively. Furthermore, it introduces Data Analysis Expressions (DAX). By learning to write measures and calculated columns, users gain the power to perform complex calculations like year-over-year growth or rolling averages. Visualizing Insights with Impact The 2020 edition places a heavy emphasis on
The journey doesn't end on the desktop. This edition guides users through the Power BI Service, the cloud-based platform for sharing insights. It covers how to publish reports, create dashboards, and set up workspaces for team collaboration. Understanding the distinction between a "Report" and a "Dashboard" is a key takeaway that helps professionals organize their content for executive consumption. Why the 2020 Edition Still Matters The course focuses on cleaning messy data by