What is data modeling in Power BI?
Data modeling in Power BI involves creating a structured representation of your data, defining relationships, and organizing data for analysis.
Why is data modeling important for Power BI reports?
Data modeling is crucial because it ensures data integrity, improves performance, and allows for more insightful analysis in reports.
Can you explain the difference between star schema and snowflake schema?
Sure! A star schema has a central fact table connected to dimension tables, while a snowflake schema normalizes dimension tables into multiple related tables.
What are some best practices for data modeling in Power BI?
Best practices include keeping your model simple, using appropriate data types, minimizing relationships, and ensuring data quality.
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