数据库概念设计的E--R方法中,用属性描述实体的特征,属性在E--R图中,用()表示。
A.矩形
B.四边形
C.菱形
D.椭圆形
正确答案是D
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/248318.html
上一篇:Read the following paragraph, find out TWO irrelevant sentences and write them on the answer sheet. At some time in your life, you may have taken a time management class, only to find that it is a complete waste of time because it doesn't work. Inde
下一篇:矫正教育对个体发展的影响主要表现在( )