这个是做网站访问统计使用的。
有几种方式可以算出你的SharePoint应用程序的当前访问统计量。
There are multiple ways to figure out current access statistics of your SharePoint application.
例如，Web访问统计信息(按当前所编辑的)只不过是以各种方式进行分组的频率计数。
For example, Web-access statistics (as currently compiled) are little more than frequency counts grouped in various ways.
JeffGoldberg内容丰富的演说告诉你为什么不应该过度依赖访问统计和计数器；
Jeff Goldberg’s informative rant on why you shouldn’t rely on access statistics and hit counters.
以科技信息网站的访问信息自动统计为例，详细介绍了网站访问统计系统的设计思想。
The design of website visiting information statistic system is introduced by taking the automatic statistic of scientific and technologic information website visiting information as an example.
后台管理部分包括：图书管理、订单管理、会员管理、安全管理、网站管理和访问统计等。
Background management component include: library management, order management, membership management, security management, web site management and access statistics.
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。
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.
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。
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.
如本文开头所提到的，统计数据是优化器作出关于访问路径的决策的基础。
As was mentioned at the beginning of this article, database statistics are the facts on which the optimizer makes decisions about access plans.
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。
Optimization guidelines and statistical views are useful features to compensate the access plan evaluations when exceptions in query performance occur.
DB2和IDS使用目录表中的统计信息来制定最佳访问计划。
DB2 and IDS USES the statistics information in the catalog table to derive the best access plan.
不充分或不准确的统计数据会导致对候选访问路径评估不准确，这也是选择低效访问路径的最常见原因。
Insufficient or inaccurate statistics lead to inaccurate cost estimates for the candidate access paths and is the most common reason for the selection of inefficient access paths.
虽然这个访问计划比使用具体值但没有分布统计信息情况下的访问计划好，但不如既使用具体值又有分布统计信息时的访问计划。
Although the access plan is better than the access plan with concrete values without distribution statistics, it is worse than the access plan with concrete values with distribution statistics.
例如，如果两个系统的缓存池大小不一样，即使目录统计一样，访问路径也可能不同。
For example, the access path can change from one system to another if they have different buffer pool sizes, even if all the catalog statistics are identical.
DB 2优化器使用目录统计信息来确定最佳的访问路径，而更新这些目录统计信息所采用的主要方法就是运行RUNSTATS实用程序。
The DB2 optimizer USES catalog statistics to determine the best access path, and the main method employed to update these catalog statistics is to run the RUNSTATS utility.
如果无法获得当前的统计数据，优化器就可能会基于不准确的默认统计数据选择低效的访问计划。
If current statistics are not available, the optimizer may choose an inefficient access plan based on inaccurate default statistics.
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。
When choosing how to score your files, consider the statistical and logical access components of your Web site.
选择一个查询并单击Tune 可将其转化为IBMDataStudio，来格式化查询、分析访问计划、或者检查统计是否存在且最优。
Select a query and click Tune to transfer the query to IBM Data Studio to format the query, analyze the access plan, or check whether statistics are current and optimal.
场所所有者可以访问场所级统计数据。
Inotifywatch -使用inotify来统计文件系统访问信息。
Inotifywatch - gather filesystem access statistics using inotify.
VisualExplain是一个新的免费功能，为SQL和XQuery语句提供访问路径和相关的统计信息。
Visual Explain is a new no-charge function that provides access path and related statics for SQL and XQuery statements.
准确而全面的统计数据能帮助生成良好的访问路径建议，当然，索引advisor工具执行时要有准确的统计数据。
Accurate and complete statistics will help drive good access path advice, and of course the index advisor should not be executed without good statistics.
统计数据advisor工具：收集所需统计数据以完成访问路径的建议。
Statistics advisor: recommendations for collecting the required statistics to facilitate access path selection.
随着数据库快速不断地增长，通过访问所有数据收集统计信息的能力可能会受到固定的批量窗口、内存和CPU约束的阻碍。
With databases growing at an unrelenting pace, the ability to collect statistics by accessing all of the data may be hampered by fixed batch Windows or memory and CPU constraints.
这种比较的结果可能会指向一些过时的统计信息—例如，优化器用来选择一个错误访问计划的统计信息。
The result of this comparison can potentially point to out-of-date statistics - for example, used by the optimizer to select an incorrect access plan.
收集这些统计信息后生成的查询访问计划与示例3中的最后的计划相同。
The query access plan produced after collecting these statistics is the same as the final plan in Example 3.
统计应用可以给你提供访问者的浏览路线。
A statistics application can give you the browsing route of a visitor.
不一致的统计数据还会误导优化器选择糟糕的访问路径。
The inconsistent statistics may also mislead the optimizer into choosing a bad access path.
这个访问计划的成本明显低于没有分布统计信息时的成本：前者为203.809，而后者为3242.63。
The costs for this access plan are clearly below the costs for the access plan without distribution statistics: 203.809, instead of 3242.63.
这个访问计划的成本明显低于没有分布统计信息时的成本：前者为203.809，而后者为3242.63。
The costs for this access plan are clearly below the costs for the access plan without distribution statistics: 203.809, instead of 3242.63.
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