oracle游标实现多重循环

[sql] 
declare   
  -- Local variables here  
  i integer;  
  cursor c_province is select ds.swjg_dm from dm_swjg ds where ds.swjg_dm!=0;  
  cursor c_year is select distinct yh.tjyf  from ygz_hs yh where yh.tjyf like '2013%' group by yh.tjyf;  
    
  
begin  
  -- Test statements here  
  i:=0;  
 for cp in c_province loop  
     for cy in c_year loop  
         i:=i+1;    
       --dbms_output.put_line('i='||i||'=='||cp.swjg_dm||cy.tjyf); -------------输出结果集         
         insert into ygz_hs values (cp.swjg_dm,cy.tjyf,'15000','15000','小规模纳税人');  
     end loop c_year;  
  
end loop c_province;  
  
end;