Conclusion
In this chapter, we dove into Power BI Desktop's Get Data experience and walked through the process of establishing and managing data source connections and queries. The ability to ingest and access data is crucial to every BI project. In Power BI, this data ingest and access is driven by a powerful functional language and query engine, M. The Power Query M language provides a robust, scalable, and flexible engine for data retrieval, cleansing, and transformation.