Oracle PL/SQL/SQL Plus/editor
Define editor
define _editor=vi
-- or perhaps --
define _editor=notepad
clear buffer -- this command clears the contents of the SQL*Plus buffer
edit
Define editor Notepad or vi
SQL>
SQL> set pause "Enter... "
SQL> set pause on
SQL> set numwidth 6
SQL> set pagesize 24
SQL> alter session set nls_date_format="dd-mm-yyyy";
Session altered.
SQL> -- define_editor=Notepad /* for Windows */
SQL> -- define_editor=vi /* for UNIX */
SQL>