It creates a tight coupling between your application data structure and the XML document structure.
这种方法造成应用程序数据结构与XML文档结构之间紧密耦合。
It offers many new features for application developers, hierarchical data structure support, and improved query capabilities across multiple instances of the database.
它提供了很多面向应用程序开发人员的新特性、分层数据结构支持和改进的跨多个数据库实例的查询能力。
Application data normally has a predefined structure, and most developers prefer to work with that data in the form of data objects rather than as raw XML.
通常，应用程序数据具有预定义的结构，并且大多数开发人员更倾向于以数据对象而不是原始的XML的形式对这些数据进行处理。
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