In this section, we will take a close look at joined reports.
As we've already mentioned, the joined reports format allows us to merge different report types into a single report so that we get a single report that contains data from different sources.
With joined reports, we can, for instance, show all the opportunities for a given account, along with different details (for example, new opportunities, closed opportunities, and lost ones).
In this configuration, the first report type that's added is the principal ...