Based on the architecture , the paper discuss the component split principle and component design principle , and point out the technology of realize database base on the virtual database . in this dissertation , theory and methodology of information system software development have been founded 并在該體系結(jié)構(gòu)的基礎(chǔ)上論述了工藝信息系統(tǒng)組件拆分原則和工藝信息系統(tǒng)組件設(shè)計原則,并且提出了基于虛擬數(shù)據(jù)庫的數(shù)據(jù)庫實現(xiàn)技術(shù),建立了可用于指導(dǎo)工藝信息系統(tǒng)軟件開發(fā)的理論和方法體系。