异构数据库数据类型转换模型

Data conversion model of heterogeneous database

近年来,异构数据的转换和集成是企业应用集成(EAI)一个重要部分。对异构数据库之间的数据转换和共享也成为其主要研究方向之一。在参考了其他数据转换模型的基础上,提出了基于XML文件的数据转换模型DCMHD(Data Conversion Model of Heterogeneous Database)。通过模型自定义数据类型,数据库和数据库之间的数据转换可以简化为数据库与系统之间的数据转换,显著提高了系统的稳定性和可扩展性;并且采用XML作为传输介质,易于异构数据的传输和共享,最后给出了模型的主要实现。

Recently, conversion and integration treatment of heterogeneous data is becoming more important in enterprise application integration. The approach of data conversion and sharing of heterogeneous database are very important parts. Comparing with other data conversion models, a data conversion model was proposed using xml file as transportation media, named DCMHD （Data Conversion Model of Heterogeneous Database）. By model-defined data types, data conversion among databases can be simplified to data conversion between database with system-defined data types, which improves apparently system＇s stability and extensibility. Through XML as transport media, it is easy to implement data transport and sharing. At last, some codes of the model were taken out.