基于DB2的某銀行ODS系統(tǒng)設(shè)計(jì)研究
[Abstract]:Based on the analysis of the ODS system that has been implemented, this paper introduces the design ideas and difficulties of the data model of the ODS system in the bank based on the existing data warehouse technology and the implementation of the current technology in the DB2 database. At the same time, the design scheme is put forward. On the basis of elucidating the model structure of the system, this paper expounds how to design the bank business system according to the hierarchy. The standardization of the model design of bank ODS system is realized. At present, the model has been implemented in the relevant banks. The following works have been completed in this thesis: (1) the research of the model architecture and the illustration of the bank ODS model architecture in order to facilitate the future implementation of similar projects. (2) the design of data model, this paper makes a detailed study of three levels. ODM layer is the most basic layer, directly extracted from the business system to the data warehouse. The extracted data is incremental data, so in the process of ETL, the data unloaded in the source business system needs to be split incrementally. SDM and ODM are similar, its structure is similar to that in the service system, by cleaning and transforming the ODM data. Coding standardization, data standardization, through systematic investigation and classification of the fields that need standardized coding. (3) detailed design study, the FDM layer is the most important layer, and the other business systems of the bank are also closely related. Therefore, the overall idea of FDM model design is that it must be able to satisfy the effective integration of diversified business data sources of banks and enterprises, which is convenient for understanding and standardizing the banking business data according to the subject concept. Unified management of different types of data and support for different types of application unification.
【學(xué)位授予單位】:電子科技大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2013
【分類號(hào)】:TP333;TP311.13
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