create or repalce trigger zxs
before update
on emp
for each row
begin
if 涨后的薪水<涨前的薪水 then
raise_application_error(-200,"错误")
end if;
end
/
create or repalce trigger zxs
before update
on emp
for each row
begin
if 涨后的薪水<涨前的薪水 then
raise_application_error(-200,"错误")
end if;
end
/
本文标题:2018-12-15
本文链接:https://www.haomeiwen.com/subject/ittlkqtx.html
网友评论