Power Query
Adam Aspin · Apress eBooks · 2022
In the previous six chapters, you saw some of the ways in which you can find and load (or connect to) data for the Power BI Desktop data model to use. Inevitably, this is the first part of any process that you follow to extract, transform, and load data. Yet it is quite definitely only a first step. Once the data is in Power BI Desktop, you need to know how to adapt it to suit your requirements in a multitude of ways. This is because not all data is ready to be used immediately. Quite often, you have to do some initial work on the data to make it usable in Power BI Desktop. Tweaking source data is generally referred to as data transformation , which is the subject of this chapter as well as the next six.