What is a Power BI Semantic Model?
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What is a Power BI Semantic Model? The Power BI Semantic Model is a framework that organizes data into a structured and user-friendly model, enabling intuitive analysis and visualization by translating complex raw data into meaningful relationships, hierarchies, and measures. Types of Semantic Models in Power BI with Definitions: Star Schema: A data model structured around a central fact table connected to dimension tables, optimized for analytical queries and reporting. Snowflake Schema: An extension of the star schema where dimension tables are normalized into multiple related tables to reduce redundancy. Galactic Schema: A collection of multiple star schemas linked through common dimensions, often used for complex data environments. Single Table Model: All data is stored in a single flat table, making it simple to use but not optimal for large datasets or complex relationships. DirectQuery Model: Connects directly to the data source and queries it in real...