Can connect to multiple different data sources and is comfortable using Query Editor.Understands the difference between fact and dimension tables, what a star schema is, and how relationships between tables work.Understand the basics of performance tuning.Is comfortable creating DAX calculations.Knows how to create and use visualizations to tell a story.Understands the difference between Power BI Desktop and Power BI Service, knows what a workspace is, and how to publish a report.Knows the basics of SQL.