Analysis of design and statistic methods for a type of hierarchical data table
Jun Hua Xie, Rongbing Hu · Journal of Naval University of Engineering · 2005
According to the characteristic of a type of hierarchical data,the method of hierarchical co-(ding) to identify entitiesis used in the data access.Table designing is then done based on this hierarchical coding system.Severalmethods including trigger,storage progress,view and client-side calculating are utilized for the expenditure statistic of each hierarchical node by level.Each method is investigated to find the suitable range of application.