| At present, there is a growing number of colleges, universities and enterprises to build their own data centers. The "information isolated island" problem had constrained the construction unit of information. How to make changes in the information department of the future be able to reflect in the data center is a key element of the construction.There are large quantities of isomerism database in the network. Their isomerism shows in many aspects such as different database type, different data representations, different DBMS for supporting database. Multiple heterogeneous databases need a new system to resolve the problem to exchange information. Due to XML has nothing to do with the platform, easy to expand, interactive, and semantic, format, etc. XML had been became the standards in express and exchange information, It play a middleware role in the conversion process of heterogeneous relational database.XML is a markup language scalability, which provides a way of marking the content, you can add data about the information data's use. XML technology is a natural trend development of information technology.The article focuses on how to synchronic heterogeneous data with XML, and then provides a project to solve the problem, and how to design. |
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