SQL> SQL> SQL> DECLARE 2 lv_test_date VARCHAR2(10) := '01-FEB-99'; 3 BEGIN 4 IF lv_test_date BETWEEN '31-JAN-99' AND '10-FEB-99' THEN 5 DBMS_OUTPUT.PUT_LINE('TRUE'); 6 ELSE 7 DBMS_OUTPUT.PUT_LINE('FALSE'); 8 END IF; 9 END; 10 / FALSE PL/SQL procedure successfully completed. SQL>