Data Modeling and Relationships in Power BI for Complex Datasets
Introduction Power BI has become one of the most popular business intelligence tools for turning raw data into meaningful insights. While creating visualisations is often the most visible part of a Power BI project, the real foundation of any effective report lies in its data model. Without a well-designed data model and carefully managed relationships, even the most visually appealing dashboards can produce misleading results. For analysts and business users working with complex datasets, mastering data modelling in Power BI is essential. It ensures accuracy, improves performance, and enables richer analytical capabilities. Understanding how to structure data, define relationships, and optimise models can make the difference between an insightful report and one that leads to wrong conclusions. Understanding the Importance of Data Modelling Data modelling in Power BI is about organising your tables and fields so they reflect real-world entities and the relationships between them. It’s ...