Power BI Data Analyst Associate PL-300 is an intermediate-level Microsoft course designed to develop the skills required to prepare, model, visualize, analyze, manage, and secure data using Microsoft Power BI. The course covers Power Query, data modeling, DAX, report development, data visualization, dashboards, workspaces, semantic models, security, and Power BI content management. It also covers current Power BI capabilities such as Copilot, DirectLake, visual calculations, and advanced report usability features.