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Power BI developers follow best practices for data modeling by using a star or snowflake schema, which simplifies relationships between tables and improves performance. They avoid using calculated columns excessively, preferring measures, as measures are processed more efficiently. Developers ensure that all tables have clear relationships, using primary and foreign keys to maintain data integrity. They also remove unnecessary data, focusing only on the most relevant tables and columns, and implement hierarchies for better data navigation. Finally, developers perform regular model optimization to ensure fast querying and efficient memory usage.
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Power BI developers follow best practices for data modeling by using a star or snowflake schema, which simplifies relationships between tables and improves performance. They avoid using calculated columns excessively, preferring measures, as measures are processed more efficiently. Developers ensure that all tables have clear relationships, using primary and foreign keys to maintain data integrity. They also remove unnecessary data, focusing only on the most relevant tables and columns, and implement hierarchies for better data navigation. Finally, developers perform regular model optimization to ensure fast querying and efficient memory usage.