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随着Web技术的不断发展,信息共享和数据交换的范围不断扩大,传统的关系数据库也面临着挑战,各种不同的数据库管理系统之间的异构性及其所依赖操作系统的异构性,严重限制了信息共享和数据交换范围。 XML是eXtensible Markup Language(可扩展的置标语言)的缩写,是W3C组织于1998年2月发布的标准。它具有跨平台、易表义、可以描述结构化数据等优点,非常适合对关系型
With the continuous development of Web technology, the scope of information sharing and data exchange is expanding. Traditional relational databases also face challenges. The heterogeneity of various database management systems and the heterogeneity of the operating systems that they rely on , Severely limited the scope of information sharing and data exchange. XML is an acronym for eXtensible Markup Language (Extensible Markup Language), the standard released by the W3C in February 1998. It has the advantages of cross-platform, easy-to-understand, structured data can be described, is ideal for relational