这个示例应用程序使您能够访问和操作一个产品目录中存储产品。xml文件。这个示例应用程序提供了一个关系以及XML视图的产品信息。两个关系和XML视图是彼此保持同步。您可以添加、修改和删除产品信息要么使用关系视图或使用XML视图。任何更改在关系视图,也反映在XML视图,反之亦然。此外,应用程序使您能够执行XPath查询。-This sample application enables you to access and manipulate storage products in a catalog. xml file. This sample application provides a relational and XML view product information. Both relational and XML views are in sync with each other. You can add, modify, and delete information or use the relational view or use the XML view. Any changes in the relationship view is also reflected in the XML view, and vice versa. In addition, the application enables you to perform XPath queries.