| 工程数据库的双缓冲区管理机制 |
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| 引用本文： | 王同洋,杨志新,黄金国,周济.工程数据库的双缓冲区管理机制[J].华中科技大学学报(自然科学版),1994(Z1). |
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| 作者姓名： | 王同洋 杨志新 黄金国 周济 |
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| 作者单位： | 华中理工大学ＣＡＤ中心 |
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| 摘 要： | 提出了一面向对象数据库系统Ｏ２Ｓ的双缓冲区机制，阐述了页面缓冲区和对象缓冲区的管理数据结构及其缓冲区内的废品回收等，双缓冲机制能有效地提高应用对象的访问效率。
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| 关 键 词： | 数据库管理系统，面向对象系统，缓冲区管理 |
The Double Buffering Management System for an Engineering Database |
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| Wang Tongyang School of Mech.Sci.& Eng,H. U. S.T.,Wuhan,China.,Yang Zhixin,Huang Jinguo,Zhou Ji.The Double Buffering Management System for an Engineering Database[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,1994(Z1). |
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| Authors: | Wang Tongyang School of MechSci& Eng H U ST Wuhan China Yang Zhixin Huang Jinguo Zhou Ji |
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| Institution: | Wang Tongyang School of Mech.Sci.& Eng,H. U. S.T.,Wuhan430074,China).,Yang Zhixin,Huang Jinguo,Zhou Ji |
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| Abstract: | The buffering technique is one of the important methods for a database management sys-tem to maximize the data shareability while minimizing the network traffic and I/O. Thepage buffering used in conventional database systems is not adequate for supporting the char-acteristics of an object in engineering application. A double buffering,i.e.,page bufferingand object buffering management scheme for use in the object-oriented engineering databasemanagement system O2S,is proposed.The page-buffer management and object-buffer man-agement are described and the detailed data structure shareability in the object buffer pool,concurrent control and garbage recollection are given. |
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| Keywords: | database management system object-oriented system buffering management |
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