Design of oil company information system based on three-tiered C/S

In the analysis and comparison of the traditional C / S, B / S mode and the three-tiered C / S structure on the basis of the characteristics,this paper introduces the three-tiered C / S structure of the domestic oil company management system design and solutions. In this paper, Detailed information on the oil company management structure of the three-tiered system (user interface layer, business layer and data access layers) and the various subsystems of the function and technology, is introduced, the direction of MIS development of the domestic oil company in provinces and cities, is pointed out.