对XML DTD中的键和函数依赖的探讨

Study on key and functional dependency of XML DTD

对基于DTD模式的XML的键和函数依赖做了进一步讨论。提出了关于XML的简化键、简化函数依赖的定义,分析了XML中的键和函数依赖的之间的区别和联系。

key and functional dependency of XML base on DTD is further studied. The definitions of simplied key and simplied functional dependency of XML are presented .The Connection and difference are analsysed between key and functional dependency of XML are analsysed.