In this example, we'll see how the plan changes when the statistics are not updated properly.

本例中，我们将看到没有正确更新统计数据时计划是如何变化的。

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There is an attribute RUNSTATS TIMESTAMP on the table or index node of the access plan graph that indicates the last time when the statistics were collected.

在访问计划图的表或索引节点上会有一个 RUNSTATS TIMESTAMP 属性，它表示收集统计数据的时间。

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Once the statistics are gathered for a nickname, they are not automatically modified when the remote statistics are updated on the data source for the corresponding remote table.

如果为一个昵称收集了统计信息，那么在数据源上对相应远程表的远程统计信息进行更新时，这些统计信息不会自动更新。

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"I think when you look at the information and the statistics from the initial study, the initial paper by Dr.Nissen in 2007, the increase in the risks of heart attacks is actually small."

VOA: standard.2010.03.02

For example, one of the statistics when I talk to people about the youth online with the study that was done years ago, where they said 1/4 teenager girls had received unwelcome sexual advances on the Internet.

例如，我通过与人们交谈获得一个数据,是关于年轻人上网的一项研究,这一研究是很多年前进行的，研究显示他们称有1/4的十几岁的女孩子,在网络上受到不受欢迎的性挑逗。

麻省理工公开课 - 媒体、教育、市场课程节选

Then when we look at the statistics, all we see are a lot of assets in the fund that performed well and the underperforming fund that was merged out of existence isn't there anymore.

于是当我们去查阅统计资料时,只能看到资产规模巨大且运作良好的基金,那些运作不佳的基金,随着合并与它的纪录一起消失了

耶鲁公开课 - 金融市场课程节选

Although high-volume units treated the sickest infants and had highest crude death rates, when the statistics were adjusted for factors such as the severity of the illness, patient volume and staffing provision, unit size did not influence death or brain damage rates.

BBC: 'Baby death risk' of busy units

Those who had been breastfed had a 58% chance of moving up the social ladder compared to 50% of those who were bottle-fed - a relative difference of 41% when the statistics were adjusted to take into account other factors which might influence the outcome.

BBC: The study looked at the long-term effect of breastfeeding

The inhalation is the most severe, in the past, thought to have 90% fatality, although in our cases here in this country, we've shown it to be 40% fatality, and that's more or less because of the advanced antibiotic therapy, and the ICU support that is much more advanced than it was when the statistics were first out.

CNN: "The Secret Life of Germs" author Philip Tierno