摘要： 研究了层次式多数据库中事务执行的正确性问题。给出了层次式多数据库的定义和结构以及建立在其上的事务结构,根据多数据的特点提出了一种层次式多数据库中事务执行正确性准则,并举例说明其应用,最后给出了该标准的评价以及应用展望。

关键词: 层次式多数据库, 正确性准则, 链式冲突

Abstract: This paper studies the issue of the correctness criterion for the execution of transactions in hierarchical MDBS.The definition and the architecture of hierarchical multidatabase is firstly presented. The structure of transactions executed in this hierarchical MDBS is also presented. Then, a correctness criterion for the execution of transactions in hierarchical MDBS is proposed. Two examples of the application of the criterion are given lately. At last, the analysis and future development of the criterion are given, which shows the patent application of the criterion.

中图分类号: 

• TP311.133.1