In Power BI, like in quite a few other analytics tools as well, there have always been challenges when moving to really large amounts of data. Like now, for example, analyzing a table with a billion rows. This kind of problem has usually been attempted to be answered by storing part of the data in the memory of the analytics tool, which is usually limited, and then directing detailed queries to a database. A few years back, while testing how Databricks would perform against Power BI's direct queries, I was...