一种保持语义约束的XML文档存储方法

Storing XML Document Holding The Restriction Information

XML是网络中跨平台数据发布与交换的标准格式,它在数据库领域有着广阔的应用空间。对于基于DTD在关系数据库中存储XML文档,通过对现有映射策略的分析,提出在一种改进的映射策略,可以完整保存DTD中所包含的语义约束。

XML is the standard format for cross-platform data release and exchange in Internet and is widely applied in the database field.Among the methods of storing XML documents in relational database based on DTD.By analyse the existing mapping strategies,an mapping strategy is given,which could holding the restriction information in original XML document.