1、学习如何使用XMLSPY集成开发环境编写、执行、以及调试XQuery。

2、理解和掌握XQuery查询计划的基本结构、各种子句的使用、（递归）函数的声明和使用、嵌套查询的使用，能够熟练地利用集成开发环境编写完成各种查询工作的XQuery查询计划，为在主流关系数据库中使用XQuery进行数据检索打下基础。-1, learn how to write using XMLSPY integrated development environment, execution, and debugging XQuery.

2, understand and master the basic structure of the XQuery query plans, use a variety of clauses, declarations and use (recursive) function, use nested queries, able to skillfully use integrated development environment to complete the preparation of the various inquiries XQuery queries plan for the use of XQuery for data retri　in the mainstream relational　foundation.