Native XML数据库存储研究与改进  

Study and Improvement on the Storage of Native XML Database

作　　者：贺玉珍[1] 徐学洲[2] 

机构地区：[1]运城学院,山西运城044000 [2]西安电子科技大学软件工程研究所,陕西西安710071

出　　处：《现代电子技术》2008年第12期63-65,共3页Modern Electronics Technique

摘　　要：介绍Native XML数据库的概念和XML文档在Native XML数据库中3种不同的存储策略,然后以一个开放源代码的Native XML数据库产品——dbXML为对象,研究它的页面存储策略。针对其页面存储策略在"空闲"页面管理上存在的问题,提出尾部页面截取策略,有效地释放"空闲"页面占用的磁盘空间。The concept of native XML database and three deferent storage ways in which XML document is stored in the native XML database is introduced. And then,the paper studies dbXML which is a kind of open source native XML database and researches into its page storage strategy. On the basis of the above,to resolve the question which exists in the managing of the free page the paper brings forward tail page truncating strategy, which helps dbXML release the disk space hold by the free page.

关 键 词：XML NATIVE XML数据库 dbXML 存储策略 尾部页面截取策略 

分 类 号：TP311.131[自动化与计算机技术—计算机软件与理论]