oracle 游标使用(隐式游标)

1.（隐式游标）从学生表里面查询xing_ming为1的找到就打印 

the Policy is updated successfully.

否则打印

the policy is updated failed.

Set Serveroutput on;   
  
begin  
    update xuesheng set shu_xue = 1 where xing_ming = '1';   
       
    if SQL%Found then  
       dbms_output.put_line('the Policy is updated successfully.');   
       commit;   
    else  
      dbms_output.put_line('the policy is updated failed.');   
    end if;   
  
end;  
/