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题名: 异构数据库连接平台的研究与设计
作者: 赵永进
答辩日期: 2007-06
导师: 李英凡
专业: 计算机应用技术
授予单位: 中国科学院研究生院
授予地点: 北京
学位: 硕士
关键词: 异构数据库连接 ; XML ; 映射技术 ; XML Schema ; 连接池
摘要: 异构数据库相关技术是数据库研究领域的一个热点,在Internet迅速发展的今天,如何将地理上分布、管理上自治、模式上异构的各种不同的数据库与各类应用系统进行有效的连接是一个重要的课题。同时,数据库异构现象已越来越普遍,研究异构数据库连接平台无论是在理论还是在实际应用方面都具有非常重要的意义。本论文在研究对象/关系映射技术和关系数据库与XML之间映射技术的基础上,进行大量的分析工作,然后制定了一套自定义的JAVA对象与关系数据库之间的映射标准,提出了一种将XML与JAVA、映射技术相结合的异构数据库连接方法。该方法通过融合J2EE相关技术,实现对各种数据库的封装,不但增加了业务流程的灵活性和平台的可扩展性,而且面向用户隐藏了异构数据库间的差异,提供给用户一个统一和透明的数据访问接口,当应用系统需要连接不同数据库时,无需再改动应用系统的相关程序代码。本文主要工作的内容安排:结合XML、JAVA和映射技术,从实际应用出发,基于西北星电子政务基础应用平台的框架环境,提出基础应用平台中异构数据库连接平台的总体设计,并阐述了系统各个功能模块及系统运行流程的分析和设计思想,同时给出系统各模块中关键部件的详细设计及部分实现。最后对整个系统的研究和设计进行总结,提出今后要进一步完善该系统研究内容的工作展望。
英文摘要:
Techniques on heterogeneous database have been concerned in the area of database research. The rapid development of the Internet brings about a problem that how to effectively connect different types of databases and application systems which are geographically distributed, automatically managed, and founded on heterogeneous models. It is an important subject. Meanwhile, the phenomenon of heterogeneous database has become common. Research on a new platform to link heterogeneous database will make sense both in theory and in the practical applications. Based on the mapping techniques of O/R and relation-database/XML, a great deal of analytical work is done. And then a set of mapping standards between Java objects and relational database is drawn up. A new method is put forward to connect various databases. The method using of XML, Java and mapping technique, makes the various data sources to be encapsulated, and not only brings more flexibility of operational flows but also provides a data access interface that is more unified and transparent. With the interface, no changes of the code will be done when the application system is connected with different databases. In this thesis, the status of heterogeneous database and major problems at domestic and abroad is analyzed. Then it presents the design of heterogeneous database connection system of Nor-west Star Company’s Infrastructure Application Platform by using XML, JAVA and O/R mapping technique. A brief introduction of each function module in system and its internal transaction sequence is followed. And the detail design and implement of key parts in each module is also given. The final part of this thesis is the conclusion of the whole system and the outlook of future works.
内容类型: 学位论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/3509
Appears in Collections:多语种信息技术研究室_学位论文

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作者单位: 中国科学院新疆理化技术研究所

Recommended Citation:
赵永进. 异构数据库连接平台的研究与设计[D]. 北京. 中国科学院研究生院. 2007.
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