Excepciones en Oracle

[huesos52]

porque no lo estas imprimiendo.
DECLARE
err_num NUMBER;
err_msg VARCHAR2(255);
result NUMBER;
RESULT_2 NUMBER;
RESULT_3 NUMBER;
BEGIN
SELECT 2/1 INTO RESULT_2
FROM DUAL;
DBMS_OUTPUT.PUT_LINE ('VALOR :'||RESULT_2);
SELECT 1/0 INTO
result
FROM DUAL;
SELECT 3/1 INTO RESULT_3
FROM DUAL;
DBMS_OUTPUT.PUT_LINE ('VALOR :'||RESULT_3);
EXCEPTION
WHEN OTHERS THEN
err_num := SUBSTR (SQLCODE,2,5);
err_msg := SQLERRM;
DBMS_OUTPUT.put_line('Error:'||err_num);
DBMS_OUTPUT.put_line(err_msg);
dbms_output.put_line ('Nuevo Valor: '|| result_3)
END;