No non-prime attribute in the table is functionally dependent on a part (proper subset) of a candidate key.

不存在非主属性对任一候选键滴部分函数依赖。

youdao

Following analysing the traits of the prime attribute in relation schema, an algorithm based on matrix to solve the prime problem is proposed in this paper.

本文从分析主属性在关系模式中的特点出发，在模式矩阵及其分类的基础上，给出了一个基于矩阵的关系模式主属性的判定算法。

youdao

Following analysing the traits of the prime attribute in relation schema, an algorithm based on matrix to solve the prime problem is proposed in this paper.

本文从分析主属性在关系模式中的特点出发，在模式矩阵及其分类的基础上，给出了一个基于矩阵的关系模式主属性的判定算法。

youdao