Abstract: That A native XML query processing system supporting query plans that mix both tree-based navigation and pattern matching these two processing paradigms is introduced. Then the structure trait of mixed mode XML query processing system and its limitation are analyzed.Finally, it issues the possible new directions of the system

Key words: Tree-based navigation; Pattern matching; Numbering scheme; Data manager; Index manager

摘要： Native XML 查询处理系统可以支持基于树导航和模式匹配两种处理模式混和的查询，该文对此规划进行了介绍，分析了混合模式XML 查询处理系统的结构特点及不足，展望了混和模式XML 查询处理的发展趋势。

关键词: 基于树航行；模式匹配；编码模式；数据管理器；索引管理器