Based on the deep - going exploration of the distributed data system , the backup and the log - file technology , this article puts forwards a data restoration method on the basis of two - phase commit protocol 本文在對分布式數(shù)據庫系統(tǒng)深入探討的基礎上,基于備份和日志記錄技術,提出了一種基于兩階段提交協(xié)議的分布式數(shù)據庫系統(tǒng)的數(shù)據恢復方法。