SQL - Ayuda SQL

DECLARE

v_entrar NUMBER :=4;

v_last EMPLOYEES.LAST_NAME%TYPE;

v_dep EMPLOYEES.department_id%TYPE;

cursor cursor1 is

select last_name, DEPARTMENT_ID from employees;

BEGIN

open cursor1;

fetch CURSOR1 into v_last, v_dep;

while cursor1%rowcount <= v_entrar and cursor1%found loop

dbms_output.put_line ('empleat :' || v_last || ' department :' || v_dep);

fetch CURSOR1 into v_last, v_dep;

end loop;

close cursor1;

end;