Oracle PL/SQL Tutorial/SQL PLUS Session Environment/editor
define _editor
SQL> --define _editor=Notepad
SQL> --define _editor
SQL>
SQL>
SQL>
define_editor=Notepad /* for Windows */
SQL>
SQL>
SQL> -- define_editor=Notepad /* for Windows */
SQL>
define_editor=vi* for UNIX */
SQL>
SQL> -- define_editor=vi /* for UNIX */
SQL>