To edit a program unit:
In the Object Navigator, expand the Program Units node.
Double-click
(the PL/SQL Editor view icon) for the program unit you want to edit.
In the PL/SQL Editor, edit the PL/SQL for the program unit.
Next step
Compiling a single program unit
Running a program unit in the PL/SQL Interpreter
Searching and replacing text in a program unit
Editing a program unit in an open library
Using the mouse in the PL/SQL Editor
Using the keyboard in the PL/SQL Editor
Inserting syntax into an editor
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