Oracle Forms includes an interactive PL/SQL debugger that enables you to effectively run and debug your application in an integrated development environment. This means you can monitor and modify the runtime environment while the application is running, which allows you to test how various changes in form item values and variable values will affect your application. See the Debugger documentation for details.
Forms Services provides:
See the online manual Oracle Application Server Forms Services Deployment Guide (Part No. B10470-01) for details.