declare 
    Cursor cur_policy is
     select cm.policy_code, cm.applicant_id, cm.period_prem,cm.bank_code,cm.bank_account
     from t_contract_master cm
     where cm.liability_state = 2
     and cm.policy_type = 1
     and cm.policy_cate in ('2','3','4')
     and rownum < 5
     order by cm.policy_code desc;
Begin
   For rec_Policy in cur_policy loop
       Dbms_Output.put_line(rec_policy.policy_code);
   end loop;
   Exception 
     when others then
         Dbms_Output.put_line(Sqlerrm);
         
end;