Database partition could optimize query overhead physically.
数据库分片可以在物理上优化查询开销。
A query refinement system is designed and implemented. The experimentation results show the system can optimize query input efficiently.
设计实现了相应的查询优化系统,实验表明该系统可以有效提高搜索的准确率。
It is an unsolved problem using batched queries in compressed databases to construct an adaptive histogram to optimize query processing or answer queries approximately.
在压缩数据库中利用查询处理的特点构建自适应直方图以便于查询优化或近似回答查询是尚待解决的问题。
The DB2 9.5 optimizer USES both type of indexes to optimize the queries and help selecting the best plan for query execution.
DB 2 9.5优化器使用两种类型的索引来优化查询,并帮助选择最佳的查询执行计划。
When the query is prepared, the database will analyze, compile and optimize it's plan for executing the query.
当查询准备好后,数据库将分析、编译和优化执行该查询的计划。
Once you realize this, the optimization becomes straightforward: optimize the SLQ query and then transform between the SQL query syntax and the ClearQuest query syntax.
一旦您意识到这一点,那么优化就成为直接的考虑了:优化SQL查询然后在SQL查询与ClearQuest查询语法之间进行转换。
This is an optimization that was introduced in DB2 for z/OS V9.1, which enables DB2 to optimize a query as a whole rather than as several independent query blocks.
这是DB2for z/OSV9.1 中引入的优化,它能让 DB2 将查询作为一个整体,而非几个单独的查询段来优化。
Query expansion is an effective way to optimize information retrieval.
查询扩展是优化信息检索的有效途径。
If a dynamic statement is issued and the CURRENT FEDERATED ASYNCHRONY special register is set, the value of the special register is used to optimize the query.
如果发出一条动态语句,并且设置了CURRENTFEDERATEDASYNCHRONY专用寄存器,那么这个专用寄存器的值就被用来优化查询。
Optimize the best route algorithm, so that path query more quickly and accurately.
优化了最佳线路算法,使路径查询更加快速准确。
However, in order to optimize the query operation, Some database middleware such as MOCHA ship part of codes to the distant sites which are close by the database.
然而,某种数据库中间件(如:MOCHA)为了减少网络数据传输量,实现查询优化,就把部分代码类迁移到近数据库站点进行数据缩减运算。
The paper introduces the steps of query process, gives the particular way of the query decomposition, and also analyses the query optimize method.
介绍了查询处理的步骤,给出了查询分解的具体方法,并对查询的优化问题进行研究分析。
At the same time query optimizer of database management system is used to guide the optimize process.
同时应用数据库系统的查询分析器来指导优化的过程。
And when I check on the SQL query execution plan, it seems to be pretty inconsistent in how SQL tries to optimize this query.
当我检查的SQL查询执行计划,这似乎是很不一致的方式试图优化这个查询的SQL。
In this paper, we make some researches on the XML query structure and analyze the optimization policy in logical optimization. How to optimize the path expression is discussed primarily in this paper.
本文介绍了XML查询的查询处理结构,分析了逻辑优化的常规策略,重点研究了如何针对路径表达式进行优化。
The server returned an error attempting to optimize a query.
该服务器返回一个试图优化查询错误。
Therefore, how to establish high quality user interest model, and use it to optimize the query results is a research subject with practical application value.
因此,如何建立高质量的用户兴趣模型,并将其应用于查询结果的优化,是一项具有实际应用价值的研究课题。
Recommendations to optimize the time, together with the primary key and index, query efficiency will improve.
建议优化的时候,加上主键和索引,查询效率会提高。
The experiment indicates that this new function could optimize the data distribution in order to improve the efficiency of the data access and query dramatically.
实验表明,该算法能够使数据分布达到最优化,显著地提高数据的存取和查询效率。
Thus, how to optimize statistic query and shorten respond time has become an important aspect of excellent performance for the database system.
因此如何针对此类统计分析查询进行优化,缩短查询响应时间就成为了提高海量数据库性能的主要方面。
By using active and passive management for ORACLE and optimize tools like SQL TRACE EXPLAIN PLAN and ORACLE OPTIMIZER, the query response time is shortened and the efficiency is improved.
通过对Oracle性能的主动和被动管理,以及优化工具SQLTrace、EXPLAINPLAN和优化器的使用,缩短了数据仓库用户查询响应的时间,提高了查询效率。
This paper will optimize the processing of join query based on join index.
文中提出了一种基于数据仓库和位图连接索引的查询方法。
This paper will optimize the processing of join query based on join index.
文中提出了一种基于数据仓库和位图连接索引的查询方法。
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