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The establishment and development of China UnionPay , led the bank card acceptance market matures, POS acquiring business benefits is gradually improving . Banks in order to improve their competitiveness , to seize the merchant market , increased investment in POS acquiring market . POS acquiring business as the terminal part of the system operation of the bank card , bank card acceptance business the most important part . Bank card industry operations management decision support is an urgent need to promote the rapid development of information technology . Within a very short period of time , the data warehouse has been transformed from a purely theoretical research for decision support field a very strong practical technology . The development of the data warehouse into the era of information processing from simple batch and online transaction processing online analytical processing , data warehousing , data mining , information analysis times . The topic for POS acquiring business demand for integrated management and decision support , completed a transformation process from data to knowledge . Extract relevant data from the banking business processing system based on business needs analysis , prepare data source → data → data extracted the → data cleaning and conversion → data loaded into the data warehouse . Warehouse modeling and the use of multi-dimensional model , thematic analysis , and to provide a basis for online analytical processing , data mining . After the establishment of the data warehouse , by the information processing, to query and basic statistical analysis , and the results show ; may be based on historical data, the online analytical processing ( OLAP ) ; also possible to construct the analytical model, classification and forecasting . Bank accumulated a large number of merchant POS acquiring business historical transaction data , business information and other data analysis , merchant relationship management , agency management , account manager management card transaction statistics and revenue analysis , at the same time through the supplier characteristics of households merchant classification analysis .
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