In this paper we ' d like to discuss the theory , method , and the realization process of what in the four generation software , design the transaction and communication systems running in the project network mis 摘要論述了在第四代軟件編程系統(tǒng)下,設計企業(yè)網(wǎng)絡數(shù)據(jù)庫管理系統(tǒng)中并行處理與多機通信的理論、方法及實現(xiàn)過程。