| 基于XML的分布式异构数据库变化捕捉及动态同步系统实现 |
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| 引用本文： | 赵金铃,谭献海,王亚兰,何磊.基于XML的分布式异构数据库变化捕捉及动态同步系统实现[J].铁路计算机应用,2013,22(10):37-40. |
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| 作者姓名： | 赵金铃 谭献海 王亚兰 何磊 |
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| 作者单位： | 西南交通大学 信息科学与技术学院,成都,610031 |
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| 基金项目： | 国家科技计划项目(2009BAG12A06) |
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| 摘 要： | 针对分布式异构数据库在网络环境下变化数据的捕捉与同步更新存在的问题,本文采用基于触发器的捕捉方法实现异构数据库之间同步策略,研究并解决了一对多映射环境下的同步问题.理论分析和实验结果表明,该方法在实际应用中具有重要意义.
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| 关 键 词： | 分布式异构数据库 同步更新 变化捕捉 一对多映射 |
| 收稿时间： | 2013-10-15 |
Implementation of change capture and Dynamic Synchronization System of distributed heterogeneous database based on XML |
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| ZHAO Jinling;TAN Xianhai;WANG Yalan;HE Lei.Implementation of change capture and Dynamic Synchronization System of distributed heterogeneous database based on XML[J].Railway Computer Application,2013,22(10):37-40. |
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| Authors: | ZHAO Jinling;TAN Xianhai;WANG Yalan;HE Lei |
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| Institution: | ZHAO Jinling;TAN Xianhai;WANG Yalan;HE Lei;School of Information Science and Technology, Southwest Jiaotong University; |
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| Abstract: | Aimed at the problems of capturing the change data and synchronization update for distributed heterogeneous database under the environment of network, a capturing strategy based on trigger was proposed to implement the synchronization between heterogeneous databases. The paper focused on the synchronization problem under the one-to-many mapping. Theoretical analysis and experiments showed that the method and strateav whether in theory or in practical annlication were with imnortant significance |
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| Keywords: | distributed heterogeneous database synchronization update change capture one-to-manymapping |
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