基于企業(yè)信息資源目錄的多源ETL模型的研究
[Abstract]:With the introduction of the national "Internet" action strategy, the application of "deep integration of two modernizations" and big data in major enterprises, enterprise informatization is becoming more and more important. The relatively rigid and isolated information resource architecture system can no longer meet the needs of the development of data sharing at all levels of the business of group enterprises. The fundamental reason lies in the information construction of enterprises. Information management systems with different functions have been established among individual enterprise departments, and many independent information systems have been developed separately among departments within the same enterprise. Because the data in the system come from different databases and the data format is not consistent, the exchange and sharing of information resources between the systems can not be realized, so the information island is formed. At present, the most effective way to break the information island is to establish an information resource sharing platform. The focus of this paper is how to exchange enterprise information resources between heterogeneous platforms and heterogeneous systems in the process of constructing the directory sharing model of enterprise information resources, so as to realize the sharing of multi-source and heterogeneous information resources. In order to solve this problem, the International Organization for Information Standardization (MFI) has formulated a series of standards, which describe metadata from information model registration and mapping information registration, so the integration of heterogeneous data sources has been fundamentally solved. ETL technology mainly includes three parts: data extraction, transformation and loading. In the process of data integration, it is often used to deal with complex data sources and heterogeneous data in the exchange of enterprise information resources. The ETL model of enterprise information resource directory based on international standard has the characteristics of high data integration and good processing of heterogeneous data. It shielded some defects of traditional database technology. It not only has the advantages of traditional database, but also makes the data have higher integration and stability. Therefore, it is effective and feasible to use ETL to solve the problems of enterprise information resource sharing. This paper designs the integration architecture scheme of information resources from the point of view of the overall situation of the enterprise. Using ETL technology, combined with MFI-12 information model registration standard, MFI-10 mapping model registration standard and MFI-7 service registration standard, this paper provides users with query interface, so that users can obtain the data in the underlying source model by shielding the underlying data source and putting forward query instructions only for the global sharing model. A multi-source ETL sharing model based on overall integration, exchange and sharing, supported by international standards and centered on information resource directory is constructed and verified by information resource directory ETL system.
【學(xué)位授予單位】:東北石油大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2017
【分類號】:F270.7;TP311.13
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