PowerBI:Is able to connect to multiple different data sources and is comfortable using Query EditorUnderstands the difference between fact and dimension tables, what a star schema is and how relationships between tables workUnderstands the basics of performance tuningIs comfortable creating DAX calculationsKnows how to create and use visualizations to tell a storyUnderstands the difference between Power BI Desktop and Power BI Service, knows what a workspace is and how to publish a reportKnows the basics of SQL