RMAN CURSOR_SHARING=EXACT脚本

RMAN CURSOR_SHARING=EXACT脚本    

CREATE OR REPLACE TRIGGER RMAN_CURSOR_SHARING
  AFTER LOGON ON DATABASE
BEGIN
  if (upper(sys_context('USERENV', 'MODULE')) like '%RMAN%')
   THEN
    execute immediate ' alter session set cursor_sharing=EXACT';
  END IF;
END;