Although the tree could reflect the hierarchical structure of XML document during its data paring and query operations, the efficiency of its data query is low.

• 摘要在时XML文档的数据解析和查询操作研究中，发现树能较好地反映XML文档的层次结构，但其查询效率较低，而关系表是一种适合存储大量数据且有较好查询效率与操作功能的数据结构。