XML查询语言XQuery的分析与研究 - 嘉图传媒网-------传递供求信息，提供传媒服务，方便你我他，享受快乐生活！ - 关键字：XML查询; XQuery; 表达式 [gap=411]Keywords:XML querying; XQuery; expression
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xml querying language xml查询语言
Also this dissertation studies the current research on XML querying, and points out that most researches of XML querying focus on the region encoding and the indexing.
论文还研究了XML查询技术的现状，指出目前大部分查询技术的研究都集中在各种区间编码和索引技术。
Based on the comparing of several kinds of XML indexing, this dissertation points out the advantages and disadvantages and expounds the importance of Schema to XML querying.
在比较研究了XML索引技术的基础上，提出了目前各种索引技术的优缺点，阐述了模式对于XML查询的重要性。
These factors can cause considerable performance bottlenecks when querying XML data sources without the VVM caching feature.
如果查询 XML 数据源时没有 VVM 缓存特性，这些因素将会造成很大的性能瓶颈。
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