详细说明：1、学习如何使用XMLSPY集成开发环境完成XML Schema相关的开发工作。
2、掌握XML Schema与DTD之间的区别，能够完成两者之间的转换；掌握在XML Schema中如何定义元素和属性，如何使用限制、列表和合并派生自己的简单数据类型，如何定义复杂数据类型，全局/局部元素和数据类型之间的区别；如何将XML Schema文档关联到XML实例数据文档，并完成文档的有效性验证。
3、掌握如何准确定义数据之间的参照完整性约束，如何在模式中使用多态性支持，如何在文档中定义空值等等。-1, learn how to use integrated development environment XMLSPY complete XML Schema-related development work.
2, grasp the difference between XML Schema and DTD, it is possible to complete the conversion between the two know how to define the elements and attributes in XML Schema, how to use restrictions, combined lists and derive your own simple data types, how to define complex data distinct types, global/local elements and data types how to associate XML Schema document to an XML document instance data, and complete validation of the document.
3, learn how to accurately define referential integrity constraints between the data, how to use polymorphism in support mode, how to define a null value, and so on in the document.