数据分布是数据库查询并行处理的基础,良好的数据分布方法对查询性能有着重要影响。
Data declustering is the foundation of the parallel processing of database query, which has significant effect on query performance.
理论分析和试验结果表明本文提出的RCMD方法优于现有的数据分布方法,具有最好的查询处理性能。
In this paper, we propose a new data declustering method-RCMD, which is effective for all kinds of queries.
模拟是按照采样方法分类的,因为输入是根据代表真实数据总体的概率分布而随机生成的。
The simulation is categorized as a sampling method because the inputs are randomly generated from a probability distribution that stands in for a real data population.
不过,报表应用程序应该不需要知道这种可通过联合方法提供的数据分布。
However, the reporting application should not need to be aware of this data distribution which can be provided through the federated approach.
中心利用一个开放式架构硬件方法,展示了事态感知和指挥与控制数据在各个联合用户之间的无缝分布。
Utilizing an open architecture hardware approach, the center showcases seamless distribution of situational awareness and command and control data to a variety of joint users.
如果数据将通过HTTP公开,那么另一种备选方法是基于HTTP的SPARQL连接,这种方法使您的数据成为“链接数据”并且可以实现完全分布。
An alternative to consider if your data is going to be exposed over HTTP is a SPARQL connection method over HTTP, which makes your data "Linked data" -ready and can be completely distributed.
如果可能,最好能找到一种方法,将忙碌的主机屏幕中的数据切分后分布到多个web页面中。
If possible, find a way to split the data from busy host screens to across multiple Web pages.
将数据库分布到各个集群成员是实现集群工作负载平衡的最好方法之一。然而,要恰当地分布数据库可能需要大量时间。
Distributing databases among cluster members can be one of the best ways to balance the cluster workload, however, it can be very time consuming to properly distribute the databases.
分布式存储是一种存储数据的方法,这样数据的位置就会变得不重要。
Distributed storage is a means to persist data so that the location of the data is not important.
如果这些是惟一需要考虑的因素,那么使用2pc协议的分布式事务应当是保证数据一致性和完整性的最佳方法。
Were these the only factors under consideration, a distributed transaction using the 2pc protocol would be the best approach to guarantee data consistency and integrity.
但是,您的切分策略应该包含将数据均匀分布至所有切分的方法。
Your shard strategy should, however, incorporate some means of distributing data evenly among all of your shards.
如果目标表跨多个数据库分区分布,则源表也必须使用相同的分布方法分布。
If the target table is distributed across database partitions, the source table must also be distributed using the same distribution method.
此模式实现了处理分布式数据的同步实时集成方法。
This pattern realizes a synchronous, real-time integration approach to distributed data.
联合的分布式数据访问方法无需ods即可提供所需级别的数据同步。
A federated approach to distributed data access can provide the required levels of data synchronization without an ODS.
在这种分布中,此方法将对数据进行分解,以便在多个区域中建立相同的离散化。
In such a distribution, this method breaks the data up in an effort to establish equal discretization into multiple areas.
businesslogicbase类具有在分布式映射缓存存储和接收数据的方法。
The BusinessLogicBase class has methods to store and receive data from the Distributed Map.
该方法充分考虑了传递函数,数据分布和各个体素的可见度。
This method takes account of the transfer function, the data distribution and the visibility of the voxels .
和从前一样,有三种方法可生成数据库分区映射:平均法,通过分布数组指定权重(使用distfile),以及用户指定(使用targetmap)。
Just as before, there are three ways to generate a database partition map: uniform, weighted through a distribution array (using distfile), and user specified (using targetmap).
上个月,亚马逊公司的CTOWernerVogels发表了一篇文章,描述在大型分布式系统中容忍最终数据一致性的方法。
Last month, Amazon's CTO Werner Vogels posted an article describing approaches to tolerate eventual data consistency in large-scale distributed systems.
用模糊综合评判方法与BAYES理论相结合,给出由小样本试验数据确定岩土参数的概率分布。
By combining BAYES theory with fuzzy comprehension evaluation method, this paper suggests a new method to determine the distribution of rock parameters.
建模需要的数据较少,对数据的分布无特殊要求,方法和计算简单,实用价值大,是地面水质预测预报的一种有效方法。
It is an effective method to forecast ground water quality, which needs only fewer data and no special requirements for their distribution as well as easily calculates.
在分布式数据库和数据仓库中,普遍采用数据复制的方法来提高数据的可用性和系统的性能。
To improve data availability and system performance, data replication methods are widely adopted in distributed databases and data warehouses.
数据同步作为维护分布式环境中各个节点数据库间数据一致性的方法,是分布式环境中的一项关键技术。
As a method of maintaining the data consistency of local databases in distributed environments, data synchronization is one of the key techniques.
本文提出了一种基于事件表分布函数的事件表数据结构的评价方法,并使用这种方法分析了三种事件表数据结构。
An evaluation method for event set data structures based on event set distribution function is presented in this paper, and three event set data structures are analysed by the method.
DCOM作为一种常用的分布式对象标准,其对数据访问的方法非常重要。
As a common distributed object standard, DCOM is very important to data access.
提出了一种基于分类技术的支持向量回归方法,解决数据分布未知、数学模型未知的非线性回归问题。
A support vector regression method based on classification is presented to solve the nonlinear regression problem with unknown data distribution and mathematical model.
该方法在均匀分布的数据上取得了优良性能。
This method has very good performance on data with uniform distribution.
该文提出了一种星载sar分布目标原始数据模拟的方法。
A method of simulating distributed target's raw data of spaceborne SAR is given.
CORBA作为一种常用的分布式对象标准,其对数据存取的方法十分重要。
As a common distributed object standard, CORBA makes it possible for constructing data access middleware.
CORBA作为一种常用的分布式对象标准,其对数据存取的方法十分重要。
As a common distributed object standard, CORBA makes it possible for constructing data access middleware.
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