专业释义英英释义
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候选码 - 引用次数：7
Seeking for candidate key of relation scheme is an important question in designing database theory.
寻找关系模式的候选码是数据库设计理论中的重要问题。
参考来源 - 利用函数依赖图寻找关系模式的候选码候选键码候选关键字候选键 -
候选码
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Candidate key
- abstract: In the relational model of databases, a candidate key of a relation is a minimal superkey for that relation; that is, a set of attributes such that
以上来源于: WordNet
双语例句原声例句权威例句
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Seeking for candidate key of relation scheme is an important question in designing database theory.
寻找关系模式的候选码是数据库设计理论中的重要问题。
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Seeking the candidate key of the relation scheme is an important procedure in normalizing relation.
寻找关系模式的候选码是对关系进行规范化的重要步骤。
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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。
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