Whether you're brand new to Power BI or just getting started with data analytics, this guide walks you through everything you need to know about data modeling — from how tables connect, to the schemas that make your reports fast and reliable.
What Is Data Modeling in Power BI?
Imagine you have three spreadsheets: one with your customers, one with your products, and one with your sales transactions. Individually, each table tells you something. But together, they can tell you which customer bought which product, when, and for how much.
That's exactly what data modeling is: the process of organizing your data tables and defining how they relate to each other so Power BI can combine them into meaningful reports and dashboards.
A data model in Power BI has three core building blocks:
