Example 3-6 Assigning Literals to an INTERVAL DAY TO SECOND Variable
DECLARE
lag_time INTERVAL DAY(3) TO SECOND(3);
BEGIN
lag_time := '7 09:24:30';
IF lag_time > INTERVAL '6' DAY THEN
DBMS_OUTPUT.PUT_LINE ( 'Greater than 6 days');
ELSE
DBMS_OUTPUT.PUT_LINE ( 'Less than 6 days');
END IF;
END;
/