Introduction Data Modeling, the beginning of making sense out of data. This is one of the most important steps to dealing with your data. This means that your most complex and detailed dashboards will not be appreciated without clean and well done data modeling. In this guide we will go through Data Modeling All SQL joins Power BI relationships and how they differ from joins Fact and Dimension tables Data Modeling Schemas What is Data Modeling Data modeling refers to the process of structuring and organizing data so that it can be analyzed effectively. Think of this as cleaning a messy room and putting everything where it belongs: all books in the shelves, clothes on your hangers and shoes in the shoe-rack. In Power BI this means: defining tour tables, creating relationships and optimizing performance and accuracy. Think of it like designing a map: if roads (relationships) are wrong, you’ll never reach the right destination (insights).…