多表 测试
select*
from Class join Student
on Class .ClassNo =Student .ClassNo
join StuCou
on Student .StuNo =StuCou .StuNo
join Course
on StuCou .CouNo =Course .CouNo
join achievement
on StuCou .StuNo =achievement .StuNO
where Class .ClassName ='2015（3+2）计算机'
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/3676/viewspace-2808772/ ，如需转载，请注明出处，否则将追究法律责任。
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