Key insights The Star Schema is a method used to optimize data models in Power BI. This schema design involves a central fact table connected to multiple dimension tables. Power BI benefits from the Star Schema by improving query performance and simplifying data analysis. The structure helps in organizing large datasets efficiently, making it easier for users to generate reports. Implementing a Star Schema can enhance the scalability of your business intelligence solutions. Understanding the Star Schema is crucial for anyone working with Excel and business intelligence. Keywords Star Schema Power BI Optimization Excel Business Intelligence Excel Tips Data Modeling Power BI Best Practices Star Schema Benefits