Application Of Data Mart In Guizhou Local Taxation System

With the increasing the data of tax collection and administration,how to use these data for the tax department has become a problem,from the theory or practice to solve this problem is of great significance.Data mart as a set of data for a specific department,if combined with the massive tax data,will inevitably improve the utilization of tax data,so as to the management of tax decision analysis at all levels to provide good data support.Based on the practical application of data mart in Guizhou local tax system,this paper gives a practical application method of tax data mart.Based on the demand analysis,data mart construction and data mart application in the construction of data system of Guizhou local tax system,this paper analyzes the work content and related cases of each major link in detail.This paper first introduces the theory of data mart and data warehouse.Secondly,it introduces the application requirements of Guizhou local tax system.Then,the paper studies the specific construction and application of data mart in Guizhou local tax system.Based on the physical structure and logical structure of Guizhou Local Taxation Bureau data center,this paper puts forward the design scheme of data mart,and discusses the realization scheme of ETL strategy in detail.Finally,the application of data mart in Guizhou local tax system is explained.The use of data mart is mainly the application of various types of multidimensional data query,tax clustering analysis model and tax forecasting model,and the paper introduces the corresponding application cases respectively.The results of this paper show that the data mart in the Guizhou land tax system can provide good data support for the tax decision support system,which can play an important role in the decision-making analysis of the tax department and can provide reference for other departments.DSS can provide good data support for the data mart has a great advantage,can be vigorously promoted.