3Semantic Models and Exploring/Analyzing Data

• 3.1Semantic Models and DAX

  Understand the Power BI semantic model (formerly dataset), relationships, measures (DAX), and the Direct Lake storage mode. Implement and optimize the "meaning layer" of analytics.

• 3.2Exploring and Analyzing Data

  Understand ways to explore/analyze data—DAX queries, T-SQL, KQL, Power BI visual exploration, and performance troubleshooting (Performance Analyzer, DAX Studio).