Oracle. Отключение/включение триггеров по названию

Отключение:

FOR i IN (SELECT trigger_name
          FROM user_triggers
          WHERE trigger_name like '%TTT%')
LOOP
  EXECUTE IMMEDIATE 'ALTER TRIGGER ' || i.trigger_name || ' DISABLE';
END LOOP;

Включение:

FOR i IN (SELECT trigger_name
          FROM user_triggers
          WHERE trigger_name like '%TTT%')
LOOP
  EXECUTE IMMEDIATE 'ALTER TRIGGER ' || i.trigger_name || ' ENABLE';
END LOOP;