The query optimizer USES the SYSSTAT catalog views in the database to retrieve the statistical information of the database objects and determine the best way to access the data.
查询优化器使用数据库中的SYSSTAT目录视图来检索数据库对象的统计信息，并确定访问数据库的最佳方法。
In addition to the easy-to-read formatting, you also have access to annotation that provides critical statistical information to facilitate your analysis of SQL performance.
除了方便阅读格式化，您还可以访问提供了关键统计信息的注释以便于您的SQL性能的分析。
On a negative note, you discovered that PHP has no native access to sampling distributions, which is a requirement for implementing most statistical tests.
不利的一面，您发现PHP对于取样分布缺乏内在手段，而这是实现大多数统计测试所必需的。
Optimization guidelines and statistical views are useful features to compensate the access plan evaluations when exceptions in query performance occur.
当查询性能中出现例外情况时，优化指南和统计视图特性对于弥补访问计划估计的不准确性非常有用。
When choosing how to score your files, consider the statistical and logical access components of your Web site.
选择文件的作用域时，务必要考虑Web站点的统计和逻辑访问组件。
This paper advances the design scheme of questionnaire statistical system based on ACCESS, and puts forward the design of the database and the main functional modules.
提出基于ACCESS的问卷调查统计系统的设计方案，并给出了数据库的设计和主要功能模块。
By analyzing the FTP protocol, the article classifies the FTP statistical methods into three key issues, which are random port access, DPID processing and FTP port flux collection.
本文通过对FTP协议的分析，将FTP流量统计的方法归结为三个关键问题随机端口的获取、DPID的处理、FTP端口流量的采集。
The characteristics of services to all users at any time in a competitive network resources, access is based on the statistical multiplexing.
尽力服务的特征是所有用户随时都在竞争网络的资源，信道是基于统计复用的。
At last, the common access management component is used in report statistical application system so as to verify the usability and validity of the component.
最后，将通用权限管理组件应用于报表统计应用系统中，以此验证通用权限管理组件的可用性和正确性。
This Customer-counting system mainly consists of FPGA as the core to the lower machine and the upper PC, using the automatic statistical method and has no effect on access to personnel.
本客流量实时监测系统主要由以FPGA为核心的下位机与以PC机为核心的上位机构成，采用非接触式的自动统计方式，对进出人员无任何影响。
The statistical statements in enquiries functional basis for the completion of the overall payment information summarized to facilitate user access to everybody.
其中的统计报表功能在查询的基础上，完成了对缴费信息总体上的概括总结，方便用户浏览查阅。关键字：缴费；缴费系统；
The statistical statements in enquiries functional basis for the completion of the overall payment information summarized to facilitate user access to everybody.
其中的统计报表功能在查询的基础上，完成了对缴费信息总体上的概括总结，方便用户浏览查阅。关键字：缴费；缴费系统；
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