在一个学生实体中,学生专业与学生姓名之间是()
A.n'1关系
B.1:1关系
C.1'n关系
D.m:n关系
正确答案是C
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/298610.html
上一篇:外汇构成的三要素是什么?
下一篇:Tourists who wish to see as much of the countryside as possible may elect to take a coach tour staying at different places each night. The size and quality of the hotel used may be of secondary importance to the route and itinerary of the trip. Then