Research of Data Tree Model in Coal Mine Heterogeneous Database Integration
Hui Cheng Jing, Jianwei Zhang, Fan Wei Meng, You Liang Yang, Cui Hong Ma · Applied Mechanics and Materials · 2012
Through the analysis of the characteristics of heterogeneous database of coal mine, design heterogeneous data integration of coal mine system. The application of the data tree model theory is to eliminate heterogeneous model of all the local databases. The mapping relation of global view and each local view is established in the same data model and we can achieve transparent access of heterogeneous data sources by using middleware technology.