The Research Of Data Warehouse In The System Of Tax Check

It is well knows that the technology of Data Warehouse is developed quickly with the application of the technology by more and more enterprise or government. The main character of the technology can help the concerned decision-maker to find the potential rules from a mass of data of operation database, which can help to put forward decision-making. Further studying Data Warehouse technology has great importance in improving the level of information and operation efficiency of enterprises, and enables them to succeed in the competitive society.The construction of the tax check system is so much important to the modernization of the tax check. Currently, the function ofthe tax check system is limited to database management. How toprovide some evidences for tax policy from analyzing the large scale data of many years is a problem which has not been solved. In this paper, we have applied the conception of data warehouse and OLAP in the tax check system, separated the operation data and the analyzed data thoroughly, and made the tax check system more intelligently.In this paper, the invention and development of OLAP and Data Warehouse are explained at length. The constructional solution of Data warehouse is also introduced in this paper, which is different from that the DB. A Data Warehouse instance of tax check is designed, in which the multidimensional query and multidimensional analysis are introduced mainly. Finally the multidimensional query and multidimensional analysis of determining the illegal quality is realized.Using this system to analyze the tax check data of some area in one year, we have got some reasonable conclusions; Based on the conclusions decision-maker can be sure the case like evading from which enterprise, industry, zone and set the check project exactly.