Data is the lifeblood of any organization and the ability to access and analyze it in real-time is critical for making informed decisions. Power BI is a powerful business intelligence tool that allows you to connect to a wide range of data sources and create interactive visualizations, reports, and dashboards. One of the key features of Power BI is Power Query, which allows you to transform and clean your data before importing it into your report. In this article, we will explore the Power Query M Language code for connecting to the OLE DB data source from inside Power BI.