WHERE order_date_IN ( TO_DATE('OCT 21 2003','MON DD YYYY'), TO_CHAR('NOV 21 2003','MON DD YYYY') )
WHERE order_date > TO_CHAR(ADD_MONTHS(SYSDATE,6),'MON DD YYYY')
WHERE TO_CHAR(order_date,'MON DD YYYY') = 'JAN 20 2003'
WHERE order_date > TO_DATE('JUL 10 2006','MON DD YYYY')