若关系R为2NF,则消除非主属性对主键的___________函数依赖,可规范到3NF。
传递
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/950460.html
上一篇:was, were, will be, shall be, prefer, prefers, preferred During the holiday week, one-third of the students ____ willing to write course papers but ten percent of the teachers ____ in-class examinations.
下一篇:问卷回收率