构建归档历史数据的XML模式

Structuring XML schema of archiving history data

分析了数据仓库历史数据归档的关键问题,提出了将XML技术应用于数据仓库历史数据的归档。给出了从数据字典获得构建XML模型信息以及构建XML模型层次有向图的算法。实现了基于层次有向图的数据库结构及数据信息映射为XML模式的算法。同时,提出了保证XML语义完整性的方法。

Radical problem of historical data archiving in date warehouse is analyzed, applying XML into archiving. Arithmetic of getting information about structuring XML pattern from data and arithmetic of structuring level direct graph are provided. The arithmetic of mapping from data base structure to XML schema based on level direct graph is implemented. In the meantime, the ways is provided to ensure XML semantic integrity.