select couname,couno
from course
union all
select state,couno
from StuCou
order by couno
--问题3.查看课程表,课程名称以及报名状态的情况,并将数据存在coursestate表中,
select couname,couno into coursestate
from Course
union
select state,couno
from StuCou
order by CouNo
drop table coursestate
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