ORACLE公司自86年推出版本5开始,系统具有分布数据库处理功能.88年推出版本6,ORACLE RDBMS(V6.0)可带事务处理选项(TPO),提高了事务处理的速度.1992年推出了版本7,在ORACLE RDBMS中可带过程数据库选项(procedural database option)和并行服务器选项（parallel server option）,称为ORACLE7数据库管理系统，它释放了开放的关系型系统的真正潜力。ORACLE7的协同开发环境提供了新一代集成的软件生命周期开发环境，可用以实现高生产率、大型事务处理及客户/服务器结构的应用系统。协同开发环境具有可移植性，支持多种数据来源、多种图形用户界面及多媒体、多民族语言、CASE等协同应用系统。-ORACLE 86 companies since launched version 5, Database systems with distributed processing functions .88 introduced version 6, ORACLE RDBMS (V6.0) with transaction processing options (TPO), improved transaction processing speed .1992 launched Version 7, In ORACLE RDBMS can process database with options (procedural databas e option) and the parallel server options (parallel server option). ORACLE7 called database management system, it released an open relational system's real potential. ORACLE7 Collaborative Development Environment provides a new generation of integrated software life cycle development environment, can be used to achieve high productivity, and large business client / server architecture of the application. Collaborative Development Environment with portability, support