摘要
Native XML数据库是当前数据库领域的研究热点之一。XML文档在Native XML数据库中的存储和索引策略是首要关心的问题。本文以一个开放源代码的Native XML数据库产品—dbXML为对象,分析了它的页面存储策略;然后,针对其页面存储策略在"空闲"页面管理上存在的不足,提出并实现了新的策略,有效地释放了"空闲"页面占用的磁盘空间,提高了系统对磁盘资源的利用率。
Native XML database is a research hot spot in home and abroad database fields. How to store and index the XML document in the native XML database is an important issue. The paper researches into dbXML which is a kind of open source native XML database, and studies on its page storage strategy. At last, to resolve the question which exists in the management of the free page, the paper brings forward two new strategies, which help dbXML release the disk space hold by the free page and optimize the utilizing rate of the disk resource.
出处
《计算机与现代化》
2008年第7期26-28,32,共4页
Computer and Modernization
