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The Design and Application of Relational Database Integration Framework Based on Web Services

Author: LiSunChang
Tutor: ZhouAiWu
School: Anhui University
Course: Computer Software and Theory
Keywords: Service - oriented architecture Web Services XML Data Integration Database connection pool
CLC: TP311.13
Type: Master's thesis
Year: 2010
Downloads: 99
Quote: 1
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Abstract


Along with the advent of the information age, in order to strengthen the integrated management of information resources, the need to integrate information resources, the formation of a more comprehensive information resource library and used to improve the sharing and use of local information resources, this is the future trend of development . Traditional database integration method has become increasingly unable to meet the needs of the people, that there are many deficiencies. However, the service-oriented architecture has become one of the current mainstream architecture to handle database integration. At the same time, Web Services is the most suitable for the realization of a collection of some of the techniques of SOA and Web Services standards are becoming increasingly mature, began to be widely applied to various fields. Web Services cross-platform interoperability, it is based entirely on XML, XSD, platform-independent, independent software vendor's standard is to create a new platform for interoperable distributed applications. Web Services design philosophy is to design software as a service, you can achieve a seamless cross-platform integration between different systems to comply with the norms and standards. This article describes the development status of the field of domestic and international data integration, then introduced between XML technology, XML parsing technology, SOA frameworks, SOA and Web Services, Web Services related technologies, through the understanding of these advanced technologies and learning lay the foundation for the integrated framework of relational database behind. Research and analysis of the theory of data integration, provides a guideline for the integrated design of the relational database. In-depth study and research used three heterogeneous data source integration method, the contrast between the advantages and disadvantages of these three methods, provides a theoretical basis and implementation method for database integration framework behind the design. Further study the relationship between the database and XML mapping theory, understand and master the template-driven mapping and mapping based on model-driven method provides a reliable method for the realization of the back of the data integration framework. In-depth study of the relevant principles of the database connection pool, designed to meet the project needs a database connection class, according to the project data requires timing synchronization requirements, based on the timer principle to achieve a data timing synchronization function. According to online monitoring system of a power supply company power system needs of the project, the company following the DC panel network online monitoring subsystem; electrical equipment far infrared the online imaging analysis subsystem; switchgear temperature and humidity monitoring subsystem; energy the quality online monitoring subsystem; online monitoring of SF6 gas density subsystem; chromatography-line monitoring of transformer oil subsystem database data, data integration and synchronization. Determine the online monitoring system database information with subordinates the six subsystems database information corresponding links through in-depth analysis of project requirements, develop appropriate mapping and extraction rules database requires online monitoring system in line with the six subsystems from the company's database extraction the data, thereby completing the data synchronization and integrated function. In this paper, the research and design database integration framework has the following characteristics: (1) It uses a database connection pool technology, can reduce the application time of frequent access to the database, the actual utilization of the database, but also can subsystem data source information management, in order to control the database connection and release. (2) using the Web Services technology to achieve data synchronization and data integration, integrated relational database theory, application layer and business logic layer can effectively separate, thereby reducing the coupling between the application system. (3) it implements the timing synchronization function, when asked by setting data timing synchronization and integration capabilities. Finally, this paper design database integration framework is applied to actual projects, and through the analysis of the project run effect, prove the feasibility and effectiveness of the framework design, practicality.

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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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