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金沙江下游梯级成都水调自动化系统与三峡水调自动化系统构成双服务中心构架,该构架具备与三峡水调自动化系统实现主备调功能的条件。三峡—成都水调自动化系统Golden Gate数据双向复制应用的成功实施对实现上述功能提供了数据支持。本文详细阐述了数据库双向复制的应用实施方案,针对实施过程中的数据的冲突、数据区域权限管理等挑战以及运行效果进行讨论和研究。
The Jinsha River downstream cascade Chengdu Water Automation System and the Three Gorges water control automation system constitute a dual service center architecture, which has the conditions for realizing the main and auxiliary water regulating functions with the Three Gorges water automation system. The successful implementation of the Golden Gate data bidirectional replication application of the Three Gorges Project - Chengdu Water Automation System provided data support for the above functions. This paper elaborates the implementation plan of database bi-directional replication in detail, discusses and studies the challenges such as data conflict in the implementation process, data area authority management, and the operation effect.