create_trigger_alter_score.sql

一个挺好的招生管理系统

--注意！请先添加Insert_Score触发器插入数据先！
create or replace trigger Alter_Score
after insert or update on score
for each row
begin
update student set 总分=(nvl(:new.语文,0)+nvl(:new.数学,0)+nvl(:new.英语,0)+nvl(:new.综合,0)+nvl(:new.X科,0)) where 编号=:new.号码;
end;
/