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Research on Heterogeneous Database Sharing System Based on Web Services Technology

Author: WangJianPing
Tutor: CaiHongMingï¼›LeiYunFei
School: Shanghai Jiaotong University
Course: Software Engineering
Keywords: Web Services XML Heterogeneous databases Java
CLC: TP311.13
Type: Master's thesis
Year: 2008
Downloads: 242
Quote: 5
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Abstract


The database system has become a modern people for the most commonly used means of information management, as an important branch of computer science and technology is the fastest growing and most widely used, the database has become an important technical foundation and pillar of the computer information systems and computer applications. With the development of database technology, heterogeneous database systems have become a focus of research in this field. Enterprises in the process of information left behind a large number of applications based on a variety of business processes and heterogeneous data sources. These systems to meet a specific business enterprise needs, data has its own characteristics, and other subsystems difficult to use the data of the other subsystems within the enterprise information \The increasing number of data sources, the total amount of data is growing at a staggering rate. However, the distribution of these data sources in the various network which, the data information is stored in the data source for different application services, the management system is also different. Need for more efficient use of data from multiple distributed, heterogeneous and autonomous data source integration, to provide users with a unified and transparent data access interface, shielding the differences of the data, but also need to keep the data the integrity and consistency of the different systems. Enterprise heterogeneous data sources through the network to achieve the integration and sharing of valuable resources on the network to improve the quality of network information services, to become an effective way to eliminate the \Web Services technology is a new distributed computing technology, it has incomparable advantages over other technologies, and provides strong support for the Internet distributed heterogeneous data integration in the cross-platform, etc.. The papers from the actual project, discussed in the actual project, using the Web Services technology solutions for enterprise integration between heterogeneous databases, the heterogeneous database integration framework based on Web Services technology, and analysis design, a prototype system: Super Brand Mall tenants integrated information system. To complete the exchange of information between distributed heterogeneous systems through the use of XML and Web Services technology. The system do nothing to change the existing system based on increased Web Services interface, and data integration services. The core of the system, including data preprocessing and standardization of heterogeneous data integration design, mapping from relational schema to XML schema mapping from XML schema to a relational schema, release of the Web Services to build and service the client called Web Services and accept the information, the main use of XML and Web Services technology characteristics, combined with specific needs within the Super Brand Mall, the completion of the system design. In order to solve the problem of heterogeneous databases, Web Services providers and users must abide by the same data standards and transmission of data network via SOAP using XML Schema to describe data standards used herein. Provider to obtain the data from the database, and XML, the XML sent to the user; users invoke Web Services, receiver sends XML for parsing and data processing. Zhengda Plaza will be a variety of more than 100 tenants information integration, flexible query evaluation.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Programming > Database theory and systems
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