The parallel database system consists of many servers provides a excellent platform fore-commerce and e-government.
由多台服务器组成的并行数据库系统为当前大型电子商务和电子政务的应用提供了优秀的平台。
The multi-join query optimization is the critical problem of parallel query optimization in parallel database system.
多连接查询优化是并行数据库系统的核心问题。
A complete set of a algorithms and techniques are proposed. the algorithms and techniques have been used in a prototype parallel database system designed by the author.
这些算法和相应的查询优化处理器已用于作者自行设计的并行数据库管理系统原型。
Aiming at the dynamic characteristic of the data directory in distributed and parallel database system (DPDBS), the dynamic arithmetic for whole data directory is put forward.
针对分布式并行数据库系统DPDBS中数据库副本数、数据库分布等信息的动态性，提出全局数据目录的动态管理和维护算法。
First, the Netezza database management system (DBMS), a highly optimized engine for the massively parallel Netezza environment, does not use indexes.
首先，Netezza数据库管理系统(DBMS)，一个面向大规模并行netezza环境的高度优化的引擎，不会使用索引。
Owing to the achievements in parallel information retrieval research, it is possible to query quickly the large-capacity database in retrieval system and to cut short the response time.
并行信息检索研究领域的开辟，使快速查询检索系统中的大容量数据库和有效缩短检索响应时间成为可能。
This thesis mainly research the consistency mechanism of distributed and parallel database, the consistency mechanism of database system can provide user normal database service.
本文主要研究分布式并行数据库的一致性机制，数据库的一致性机制是保证分布式并行数据库系统能正常提供数据库服务的基础。
The main research fields are computer network, database system and application, parallel processing, multi-media technology, computer graphics and its application.
主要研究方向：计算机网络、数据库系统与应用、并行处理、多媒体计算机技术、计算机图形学及其应用。
The system structure, principle and methods of database establishment and operation skills of the intellective parallel computing course arrangement system based on soakage are described.
基于浸润原理 ，提出智能化并行运算排课系统的体系结构及数据库设计原理和方法 ，分析排课程序的处理过程。
The key problem is to create a classification number descriptor parallel index database during the design of a vocabulary switching system.
本文针对手工建立分类表叙词表转换系统的缺点，用计算机设计了一个分类表叙词表转换系统。
The key problem is to create a classification number descriptor parallel index database during the design of a vocabulary switching system.
本文针对手工建立分类表叙词表转换系统的缺点，用计算机设计了一个分类表叙词表转换系统。
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