摘要
给出了针对EDI应用中面向对象的数据库管理系统(EDIODNS)的层次模型及体系结构,具体叙述了该系统的关键模块──对象管理器的模型,该模型包括类、实例、封装、聚合、概括、消息通讯、对象标识等对象管理的核心内容.EDI开发者能够简单、直观地利用该模型描述EDI应用.对象管理器向上提供了一个通用的类SQL语言;向下利用ODBC可连接到各种DBMS.
in this article,we present the Object Manager Model(OMM) and architecture of EDIODBS specified to EDI application,OMM include the basic container of Object Manager such as class, examples. encapsulats, aggregation,generalization, send et al. It makes user to script the applations of EDI easy and nature. This system upper provides a general interface o f class-SQL language;lower utilities OOBC by which we can access a variety of RDBMS.
出处
《中南民族学院学报(自然科学版)》
1996年第1期21-25,共5页
Journal of South-Central University for Nationalities(Natural Sciences)