LeapYear SQL

SELECT CASE
         WHEN (SELECT Extract(DAY FROM Last_day(To_date('0201'
                                                        ||Extract(YEAR FROM
                                                                  SYSDATE),
                                                       'mmddyyyy')))
               FROM   dual) = '29' THEN 'LeapYear'
         ELSE 'Not A Leap Year'
       END
FROM   dual