query optimization

The purpose of semantic query optimization is to improve the effeciency of the query by using the semantic knowledge for the efficient query.

语义查询优化的目的是使用语义知识来进行有效的查询，以提高查询效率。

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Linear-bushy-tree based query optimization algorithms for parallel database systems

基于线性浓密树的并行数据库查询优化算法

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But the need for effective query optimization, query processing, compilation and other related technical processing support, and needs coupled with database security, and other emergency command only with the results.

但需要有效的查询优化，查询处理编译等相关技术处理支持，同时需要加上数据库安全，应急指挥等才具有实效。

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Multi-join query optimization is a difficult problem in the domain of database.

多连接查询优化问题是数据库领域的一个难题。

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All the works of semantic query optimization before are to decrease the cost by rewriting the query sentence to an equivalent and more efficient one.

以往的语义查询优化工作都是利用领域知识进行查询优化，主要是靠重写查询语句为一个等价的、高效的查询来降低费用。

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Query optimization is the critical technique of parallel database systems.

查询优化是并行数据库的核心技术。

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Query optimization research of distributed database based on university teaching material management system

基于高校教材管理系统的分布式查询优化技术

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Analysis and Application of Relation Database Query Optimization Strategy

关系数据库查询优化策略的分析与应用

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Histogram can also be used in spatiotemporal query optimization after some improvements.

通过特定的改进,直方图也可应用到时空查询优化中.

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SDQE: A Semantic Query Optimization in P2P System

适用于P2P的系统查询扩展优化方法

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Query Optimization Strategies in Heterogeneous Distributed Database System LSZ

异构型分布式数据库系统LSZ的查询优化策略

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Since response time should be small, query optimization is critical.

为了实时响应查询, 查询优化非常重要.

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Algorithm of Bottom-up Static Semantic Query Optimization

一种自底向上的静态语义查询优化算法

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Research on the Mechanism of Query Optimization in the PostgreSQL

PostgreSQL请求优化机制研究

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Query Optimization Mechanism in Parallel Database System PBASE/ 2

并行数据库系统PBASE/2的查询优化机制

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Semantic query optimization technology and application based on association rules

基于关联规则的语义查询优化技术及应用

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Database System Design, Implementation, and Administration, Query Optimization, and SQL Performance Tuning.

数据库系统设计, 实施, 管理, 查询优化和SQL性能调优.

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Particularly, the index construction methods, semantic coordination, query semantics, query processing strategies, types of queries supported, and query optimization of P2P database-style queries are discussed in detail.

然后针对上述3个方面，论述P2P数据管理研究的现状，着重讨论了P2P数据库查询的索引构造策略、语义异构的解决方法、查询语义、查询处理策略、查询类型和查询优化技术。

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Application of semantic integrity in query optimization

语义完整性在查询优化中的应用

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A Distributed Query Optimization Based on Semantics and Logic

基于语义和逻辑的分布查询优化

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Data warehouse index technology is a data warehouse query optimization method developing from the traditional database index technology.

数据仓库索引技术是基于传统数据库索引技术发展起来的数据仓库查询优化方法。

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The multi-join query optimization is one of the the critical problem of parallel query optimization.

多连接查询的优化问题是并行查询优化的关键问题之一.

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However, there are few multi-join query optimization methods based on pc clusters now.

然而, 目前在基于机群并行计算环境的多连接查询的优化算法的研究工作还很少.

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There are two different standards to evaluate the results of query optimization in distributed database system.

在分布式数据库系统中,常以两种不同的目标来考虑查询优化.

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An Application Research on the Pipeline in Parallel Database Query Optimization

流水线技术在并行数据库查询优化中的应用研究

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Parallel query optimization is the critical technique of parallel database system.

查询优化是并行数据库系统的核心技术.

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By using query optimization, database index, middle base and automatic data update technique, the DW project is very successful.

通过运用查询优化技术、数据仓库索引技术、带中间库的三层结构和数据仓库数据自动更新方案成功地建立了大连人寿保险业务数据仓库系统。

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Approach to semantic query optimization in deductive database

演绎数据库中的语义查询优化方法

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Now let us discuss the issue with the query optimization for the objects which are configured for second level cache.

现在我们来谈谈关于二级缓存的查询优化问题。

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A Strategy of Semantic Query Optimization

查询语句语义优化的一个方法

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