| 主动实时内存数据库系统的数据交换策略及实现 |
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| 引用本文： | 肖迎元,刘云生,廖国琼.主动实时内存数据库系统的数据交换策略及实现[J].计算机工程与应用,2004,40(29):11-14,125. |
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| 作者姓名： | 肖迎元 刘云生 廖国琼 |
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| 作者单位： | 华中科技大学计算机学院,武汉,430074 |
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| 基金项目： | 国家自然科学基金项目(编号:60073045)，国家部委“十五”预研基金项目 |
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| 摘 要： | 实时数据库系统的高性能要求以内存数据库(MMDB)做底层支持。内存数据库事务在运行过程中没有内外存I/O,这就要求在对事务进行预处理(知识提取)的基础上合理地进行内外存交换。该文针对一个自主开发的主动实时内存数据库系统(ART-Ⅱ),介绍了其内外存数据交换的策略及实现。
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| 关 键 词： | 主动实时内存数据库系统 内存数据库 数据交换 存取数据集 |
| 文章编号： | 1002-8331-(2004)29-0011-04 |
The Data Swapping Strategy and Its Realization in Active Real-time Main Memory Database System |
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| Xiao Yingyuan Liu Yunsheng Liao Guoqiong.The Data Swapping Strategy and Its Realization in Active Real-time Main Memory Database System[J].Computer Engineering and Applications,2004,40(29):11-14,125. |
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| Authors: | Xiao Yingyuan Liu Yunsheng Liao Guoqiong |
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| Abstract: | The high performance of real-time database system requires that main memory database(MMDB)be the base for it.There is no data I /O during the execution of transactions in MMDB.This makes it necessary to swap the data between main memory and external storage properly based on pre -analysis.This paper discusses the strategy and realization of the data swapping based on the ART-Ⅱ(an Active real-time main memory database)which is developed by ourselves. |
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| Keywords: | active real-time main memory database system main memory database data swapping accessing data set |
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