ORACLE 预定义异常

例子：

create or replace procedure test(id in varchar2, name out varchar2) is
begin
  DBMS_OUTPUT.PUT_LINE('进程开始运行');
  select ename into name from emp where empno = id;
  DBMS_OUTPUT.PUT_LINE('NANE:' || name);
exception
  when NO_DATA_FOUND then
    DBMS_OUTPUT.PUT_LINE('没有找到相关数据');
end test;