<code>
PROCEDURE P_CURS_BONUS
  IS
  v_bonus number(30,2);
  rec_bonus   xl_emp_bonus%ROWTYPE;
  CURSOR curs_bonus IS
    SELECT *
      FROM xl_emp_bonus
      FOR UPDATE OF bonus;
BEGIN
  OPEN curs_bonus;
  LOOP
    FETCH curs_bonus INTO rec_bonus;
    exit when curs_bonus%NOTFOUND;
      v_bonus := 0.20;
      IF rec_bonus.salary > 5000 THEN
        v_bonus := 0.05;
      END IF;
      UPDATE xl_emp_bonus
        SET bonus = rec_bonus.salary * v_bonus
        WHERE CURRENT OF curs_bonus;
   END LOOP;
   CLOSE curs_bonus;
END;
</code>