| 分布式关系型数据库管理系统C-POREL的代码生成机制设计 |
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| 引用本文： | 邬树伟,顾君忠,朱力强.分布式关系型数据库管理系统C-POREL的代码生成机制设计[J].华东师范大学学报(自然科学版),1990(3). |
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| 作者姓名： | 邬树伟 顾君忠 朱力强 |
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| 作者单位： | 华东师范大学计算机科学系，华东师范大学计算机科学系，华东师范大学计算机科学系 |
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| 摘 要： | 分布式数据库管理系统(DDBMS)中,代码生成模块是实现系统的分布透明性(分割透明性和分配透明性)2]的重要模块,其设计得好坏对整个系统有极大的影响。本文以分布式关系型数据库管理系统 C-POREL1,3]的代码生成机制为例,讨论 DDBMS中的代码生成层的设计方法。文中给出C-POREL系统的代码生成模块的设计方案,并提出了其中所必须的一些算法,最后给出了具体的例子。
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| 关 键 词： | 分布透明性 分割透明性 分配透明性 分布树 封锁子树 全局分布谓词 局部分布谓词 |
Design of the Code Generation Mechanismin tbe Distributed Relational DatabaseManagement System C-POREL |
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| WU SUWEI,GU JUNZHONG,ZHU LIJIANG.Design of the Code Generation Mechanismin tbe Distributed Relational DatabaseManagement System C-POREL[J].Journal of East China Normal University(Natural Science),1990(3). |
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| Authors: | WU SUWEI GU JUNZHONG ZHU LIJIANG |
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| Institution: | WU SUWEI;GU JUNZHONG;ZHU LIJIANG Department of Computer Science |
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| Abstract: | In a distributed database management system (DDBMS), the Code GenerationModel is important to implement the distribution transparency of both thefragmentation and allocatoin of the system. The efficiency of the system isdependent on it. The design methodology of the Code Generation Mechanism ofDDBMS is discussed with the Code Generation Model (CGM) in C-POREL as anexample. The design of CGM in C-POREL and its necessary algorithms are given.Some examples are also described. |
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| Keywords: | distribution transparency fragmentation transparency allocation transparency distribution tree locking tree global distribution predicate local distribution predicate |
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