论述了一种优化的保持函数依赖集的判断算法。
In this paper the author puts forward an optimum algorithm, which can be used to distinguish whether functional dependencies are kept.
给出了关系数据模式分解中,既有无损连接性又保持函数依赖的分解算法,并用该算法指导应用软件的开发工作。
This paper gives a dissolution algorithm on relational data model system which has a lossless join and remains function dependency as well.
第二,他们必须采用一种方案以对他们的相互依赖关系达成一致;例如他们必须对组件,函数调用以及参数等的命名保持一致。
Second, they must have a way to agree on their interdependencies; for example, they must be able to agree on names of components, function calls, and parameters.
这些函数在组件中应保持不变,不依赖于客户端应用程序。
These functions should remain constant in the component and not depend on the client application.
本文给出了空值环境下的完全函数依赖的弱保持、强保持及部分函数依赖。
The weak and strong holds of Full Functional Dependencies and Part Functional Dependencies under the null values environment are proposed in this paper.
本文给出了空值环境下的完全函数依赖的弱保持、强保持及部分函数依赖。
The weak and strong holds of Full Functional Dependencies and Part Functional Dependencies under the null values environment are proposed in this paper.
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