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Data Processing Model of Bank Credit Evaluation System

Author(s): guorong xiao

Journal: Journal of Software
ISSN 1796-217X

Volume: 6;
Issue: 7;
Start page: 1241;
Date: 2011;
Original page

Keywords: credit evaluation system | data processing model | data warehouse.

Data extraction and transform are based on the mapping relationship between the new system database and old system database. In generally, transform also includes data cleaning, which is to clear the dirty data that is from original database. Before data cleaning, analysis of data quality is demanded.Data loading is to load the data which has been extracted and transformed into the destination database through loading tools and SQL sentences programmed manually. This paper detailedly analysis the model of data processing in the credit evaluation system , in which the process and methods of data extraction,transform and loading have been studied deeply, and the steps of data integration also have been presented. It also constructs a XML data model for data integration, which can implement structured data of relational type as well as describe unstructured data and semi-structured data. The model has been apllied to the bank credit evaluation system,and proved to be more efficient implementation, it can be used as the principle guiding of data processing in bank system.
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