Power BI is a powerful business analytics service developed by Microsoft that empowers users to visualise data and share interactive dashboards across their organisation. While Power BI can handle data from various sources, its true potential is unleashed when connected to robust data sources like SQL databases. SQL databases—such as PostgreSQL, MySQL, and SQL Server —are the industry standard for storing and managing structured analytical data. They offer ACID compliance for reliable transaction processing, making them the perfect backbone for managing critical business information. In this guide, we will walk you through connecting Power BI to both local and cloud PostgreSQL databases, modelling your data, and leveraging SQL skills for better reporting. 1. Connecting Power BI to a Local PostgreSQL Database Many data analysts build prototypes using a local PostgreSQL database before deploying them to a production environment.…