Safari Books Online is a digital library providing on-demand subscription access to thousands of learning resources.
The built-in packages offer a number of ways to generate output from within your PL/SQL program. While updating a database table is, of course, a form of "output" from PL/SQL, this chapter shows you how to use two packages that explicitly generate output. UTL_FILE reads and writes information in server-side files, and DBMS_OUTPUT displays information to your screen.