The statistics show the data distribution within a table.
统计信息显示出表中的数据分布状况。
An inappropriate partitioning key can cause uneven data distribution.
不恰当的分区键可能导致数据分布不均匀。
High performance market data distribution: Provides throughput and routing capabilities.
高性能市场数据分发：提供高吞吐量和路由功能。
These differences can exist due to statistical correlation and data distribution, among other reasons.
出现这类差异的原因包括统计相关和数据分布。
RUNSTATS collects two types of data distribution statistics: frequency statistics and quantile statistics.
RUNSTATS收集两种类型的数据分布统计信息：频率统计信息和分位数统计信息。
But the selectivity calculated in this way is not as accurate as selectivity calculated using data distribution.
但是，使用该方式计算的选择性不如使用数据分布计算的选择性准确。
Jan notes that the technique can also be used to implement other data distribution strategies, such as sharding.
Jan提醒说这个技巧还可以用来实现其他的数据分布策略，例如分片(Sharding)。
This method takes account of the transfer function, the data distribution and the visibility of the voxels .
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。
A key challenge is effective reference and configuration data distribution in large and highly available SOA implementations.
关键的挑战是在大型的、高可用性的SOA实现中有效的引用及配置数据发布。
The optimizer USES data distribution information generated by UPDATE STATISTICS to calculate selectivity for the filters in the query.
优化器使用UPDATESTATISTICS所生成的数据分布信息来计算查询中筛选器的选择性。
A cost estimation that assumes normal data distribution may not best reflect the real cost of a query when different parameters are used.
假定正常数据分布的开销评估可能并不能最好地反映查询使用不同参数时的实际开销。
The optimizer's estimate could be very close to the actual value as long as the data distribution has not changed since the last RUNSTATS.
只要数据分布自上一次RUNSTATS以后没有改变，则优化器的估计可能非常接近实际值。
To improve query performance of distributed system, a conjunction data distribution tree is proposed by studying relation between data.
为了提高分布式系统的查询性能，通过研究数据之间的关系，提出一个关联数据分布树。
However, the reporting application should not need to be aware of this data distribution which can be provided through the federated approach.
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。
This paper discuss user distribution, function distribution and data distribution based on coupling degree in distributed application systems.
本文主要讨论分布式应用系统中基于耦合度的用户分布、功能分布和数据分布问题。
The optimizer USES information such as table sizes, availability of indexes, and data distribution to figure out the optimal way to answer the query.
优化器使用表大小、索引可用性以及数据分布等信息来确定响应该查询的最佳路径。
However, in the absence of data distribution information, the optimizer will calculate selectivity for filters of different types based on table indexes.
然而在缺乏数据分布信息的情况下，优化器将基于表索引计算不同类型筛选器的选择性。
Refer to Chapter 10 of the Performance Guide for the detailed table that the optimizer USES to calculate selectivity in the absence of data distribution.
关于在缺乏数据分布的情况下，优化器用以计算选择性的详细表，请参阅performanceGuide的第10章。
When excavating with parallel association rules, the two data distribution characters, data skewness and workload balance, will affect the validity of pruning.
在进行并行关联规则挖掘时，数据偏斜和工作量平衡这两个数据分布特征影响着剪枝的有效性。
Ceph has developed some very interesting concepts (such as dynamic metadata partitioning and data distribution and replication), which this article explores shortly.
Ceph开发了一些非常有趣的概念(例如，动态元数据分区，数据分布和复制)，这些概念在本文中只进行简短地探讨。
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。
An analysis of the case study shows that the suitability of this technique for the data distribution of various pollutants is better than other commonly-used methods.
经实例应用分析，该方法对各种污染物数据分布情况的适宜性优于现行其他常用方法。
Generally, database problems can refer to any bottleneck due to database, including SQL queries, database tuning parameters, indexing issues, and data distribution problems.
通常，数据库问题可能是指由数据库导致的任何瓶颈问题，包括SQL查询、数据库优化参数、索引问题和数据分布问题。
MapReduce is an abstraction that allows Google engineers to perform simple computations while hiding the details of parallelization, data distribution, load balancing and fault tolerance.
通过MapReduce的抽象，google工程师可以简单地进行运算，而不必考虑并行运算的细节、数据的分配、负载平衡和错误处理。
The kernel estimation method analyzes the data distribution by not using the prior knowledge of data distribution. This method avoids the impaction of model and parameters estimation.
核密度估计方法从数据样本本身出发研究数据分布特征，不利用有关数据分布的先验知识，避免了模型估计和参数估计的主观影响。
Science Applications International Corp. will assist the Air Force with data distribution and communications support under a 40-month contract that could be worth as much as ＄39 million.
根据一份40个月价值3900万美元的合同，科学应用国际公司将为美国空军提供数据分发和通信支持。
Neural network can solve some problems of blast furnace expert system such as knowledge getting and inference ability, and it is suitable for pattern recognition of blast furnace data distribution.
神经网络可以解决高炉专家系统最困难的知识获取与推理能力弱等问题，并适合于对高炉分布数据进行模式识别。
Data Distribution Policy in slice.
Slice内的数据分布策略。
Data distribution in particular columns may change over time.
特定列中的数据分布可能随时间发生改变。
Data distribution in particular columns may change over time.
特定列中的数据分布可能随时间发生改变。
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