SQL> SQL> DECLARE 2 A INTERVAL YEAR TO MONTH; 3 B INTERVAL YEAR TO MONTH; 4 C INTERVAL DAY TO SECOND; 5 D INTERVAL DAY TO SECOND; 6 BEGIN 7 C := INTERVAL '10 1:02:10.123' DAY TO SECOND; 8 9 END; 10 / PL/SQL procedure successfully completed. SQL>