在关系数据库规范化理论中，求解后选关键字和主属性一直是一个棘手的问题。
In normalization theory of relation database, finding candidate key and primary attribute is always a difficult problem.
在大多数以关系数据库为主题的书籍当中，都可以找到关于规范化的更详细的信息。
Further detailed information on normalization can be found in most books whose main subject is relational databases.
有时候，人们通过将文档节点映射成关系格式来设法把XML文档保存到规范化的关系数据库表中。
Sometimes people try to save XML documents into Normalized Relational Database tables by mapping the document nodes into Relational format.
关系规范化理论是关系数据库开发与设计的重要部分。
The relational standardization theory is the relational database development and the design important part.
讨论了在大型关系数据库优化设计中关系的规范化和逆规范化的应用。
In this paper, the application of normalization and denormalization in the optimization of relational database design are discussed.
得到了保持xml键约束的规范化存储模式，实现了XML文档在关系数据库中的规范化存储。
It gets normalized storage schemas, and the normalized storage of XML in relational databases is implemented.
避开复杂繁琐的数学推导，分析了关系数据库理论中的函数依赖，数据模式的规范化及其分解这三个重要概念，指出了它们对关系数据模型设计的指导作用。
Three important conceptions-function dependence, normalization and dissolution of data scheme-are analysed. Their directive action for design of relational data model is pointed out as well.
避开复杂繁琐的数学推导，分析了关系数据库理论中的函数依赖，数据模式的规范化及其分解这三个重要概念，指出了它们对关系数据模型设计的指导作用。
Three important conceptions-function dependence, normalization and dissolution of data scheme-are analysed. Their directive action for design of relational data model is pointed out as well.
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