To add a little bit to what Calvin already listed…
After adding the table/fields to the RDD, I usually preview the report with an archive period of at least one day and copy the guid from the system monitor for use in report builder “preview”.
Then if my fields are not listed in the report builder dataset, I’ll explore the query expression, manually adding references to the table(s) e.g. T5, T6…
(which you might find “interesting” the first couple times)
after that adding entries to the fields sheet should be pretty straightforward
If you search the site you should find a couple posts with better details.
But for now… here are a couple basic screenshots from the So Ack