重点讨论了原有系统集成到新系统中，实现了分布式异构数据库在J2EE平台下的综合查询问题。
The realization of integral query of distributed heterogeneous database on the J2EE platform has been stressed while the original system has been integrated to the new system.
传统异构数据库间的数据转换工具存在受平台限制、容易产生冗余等不足。
Traditional data transformation tools are constrained by the platform and easily lead to data redundancy.
系统实现了分布式异构、跨平台，支持多数据库，同时充分考虑到了与其他系统的集成，可较好地支持过程自动化及其管理。
The system is distributed, cross-platform and supports multi-database, in the meantime it can integrate with other systems, so it can support process automation and management.
分析了三层跨平台数据库系统所面临的异构平台通信、代码可重用性及软件互操作性问题。
This paper analyzes problems of three ties cross-platform database, such as cross-platform communication, code reusability and software interoperability.
分析了三层跨平台数据库系统所面临的异构平台通信、代码可重用性及软件互操作性问题。
This paper analyzes problems of three ties cross-platform database, such as cross-platform communication, code reusability and software interoperability.
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