摘要
讨论了在XML规范化过程中涉及到的DTD的关系表示和无损联接分解并给出了保持依赖分解的定义。
Based on the basic concepts of XML Document, functional dependency, lossless decomposition and preserve dependency for DTDs are given. Normalization rules for XML, two normalization algorithms of lossless decomposition are proved.
出处
《齐齐哈尔大学学报(自然科学版)》
2005年第4期45-47,共3页
Journal of Qiqihar University(Natural Science Edition)
关键词
XML
函数依赖
无损联接分解
保持依赖分解
XML
functional dependency
lossless decomposition
preserve dependency