Another benefit of the move to DB2 9 is the hybrid storage engine and a query optimizer that "understands" XML (mapping to relational algebra for queries involving XML).
迁移到DB 29的另一个好处是，混合型存储引擎和查询优化器“理解”XML，可以把涉及XML的查询映射为关系语法。
The design of extending XML-RL query algebra is to support the querying with the object-oriented features.
扩展XML-RL查询代数的设计是为了支持具有面向对象特征的查询。
The extension of XML algebra with semantic query enhanced and semantic grid communication mechanism are also discussed to enable semantic accessing on data grid environment.
然后讨论其数据访问机制，即扩展XML代数来支持基于语义的数据访问。 最后介绍一种支持语义的网格通信机制及其通信原语。
The extension of XML algebra with semantic query enhanced and semantic grid communication mechanism are also discussed to enable semantic accessing on data grid environment.
然后讨论其数据访问机制，即扩展XML代数来支持基于语义的数据访问。 最后介绍一种支持语义的网格通信机制及其通信原语。
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