Development and Research of OODB
面向对象数据库发展和研究*

OODBS that is called the third DB has excellent advantages compared with the former two generation DB.It satisfies with demand of complicated data structure and mass storage,which is the base of designing some new DB such as multimedia DB,space DB,deduction DB,engineering DB and so on.This paper first shows the merit of OODBS through comparing the deficiency of traditional DB,secondly introduces seven key technology of OODBS: DB switch,model evolvement,index,affair management,view realization,edition management,safe modeling,finally presents several constructing methods of OODBS and expects the future of OODBS.