中国开发网: 论坛: 程序员情感CBD: 贴子 69309
李颖: ..
select id, jie, dai,

(select sum(jie) - sum(dai) from xxx as Tab2
where id < Tab1.id)
as yue

from xxx as Tab1

order by id
DISSENT IS THE HIGHEST FORM OF PATRIOTISM !

--Thomas Jefferson

相关信息:


欢迎光临本社区,您还没有登录,不能发贴子。请在 这里登录