Now, I show you 2 problems:

1. To report only some fields, you choose the database, and the table you want to report (click on the Datatabase Fields item in the Field Explorer panel to open a wizard for it), then you drag and dop the columns you want onto the report. Very simple!

2. Solving your error. It is a syntax error. And here is the solution:

"Doing a SELECT in a SQL Expression field:...