Power BI consultants utilize best practices to create efficient data models. They employ the star schema design, which simplifies relationships between tables. Unnecessary columns and rows are removed to reduce data model size. Data types are optimized for memory usage, and calculated columns are replaced with measures to improve performance. Hierarchies and data relationships are clearly defined for user-friendly navigation. Power BI consultant also leverage aggregations and summarized tables to handle complex datasets. These methods ensure that data models are fast, scalable, and easy to maintain.
