浅析关系数据库模式设计中出现的一些问题

Primary analysis on some problems may occur in model-designment of relational database

以关系数据库为基础的应用系统中,数据库模式的设计优劣直接决定了数据的完整性、准确性和一致性,对数据库的性能和效率也有着至关重要的影响。本文通过实例分析了在数据库系统设计中操作异常产生的原因,提出了解决数据库模式操作异常的具体方法。

In the application systems based on relational database, the design of database model directly determine the integrity,accuracy and coincidence of database , and has important affects on the performance and efficiency of the database. This paper analyzes the reasons for operation-exceptions in the designing of database system and proposes the resolutions to the problem of operation-exceptions in database model.