数据库应用程序的转换方法

THE METHODS OF DATABASE PROGRAM CONVERSION

数据库应用程序转换问题已经在广泛的领域内进行了研究。本文首先综述了该领域的研究,总结了各种转换方法并归纳为三类,即基于语法的方法,基于语义的方法和基于规则的方法,着重讨论了分布式数据库查询系统DQS/SEIS中所采用的转换方法。

Database program conversion frequently appeared and widely researched in variant database fields. The paper summarized the methods of data base program conversion, which mainly include syntactical-based, semantical-based, and rule-based methods. It also emphatically discussed the efficient conversion methods used in the distributed database system DQS/SEIS.