Question

（在线等）oracle简单存储过程，菜鸟问题

create or replace procedure pro_stu_score_addisstuId number;math number;article number;language number;music number;sport number;total number;average number;step number;cou number;begin declare cursor cur1 is select * from TEST_STUINFO; c_row cur1%rowtype; for c_row in cur1 loop stuId:=c_row.stuId; math:=c_row.math; article:=c_row.article; language:=c_row.language; music:=c_row.music; sport:=c_row.sprot; total:=c_row.total; step:=(math+article+language+music+sport+total); average:=step/6; update TEST_STUINFO set TEST_STUINFO.average=average where TEST_STUINFO.stuId=stuId; select count(*) into cou from TEST_STUINFO_OUT where TEST_STUINFO.stuId=stuId and comments='A'; if cou>0 then begin step:=step+20; end; end if; update TEST_STUINFO set TEST_STUINFO.step=step where TEST_STUINFO.stuId=stuId; end loop; end pro_stu_score_add;

Answer 1

declare
  cursor cur1 is 
  select * from TEST_STUINFO;
  c_row cur1%rowtype;

上面那句删掉。注：上面那句是显示游标，使用它，要open, fetch, close等，比较麻烦。

可以使用如下的隐示游标

for c_row in (select * from TEST_STUINFO)

追问

没这回事吧，for会有一个自动的过程，而且你现在改不是一个道理？

Answer 2

http://download.csdn.net/detail/u012106902/6654815