例如，它周期性地自动执行RUNSTATS实用程序，以更新关于表及相关索引的物理特征的统计信息。

For example, it automatically executes the RUNSTATS utility on a periodic basis to update statistics about the physical characteristics of a table and the associated indexes.

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在稻米垩白的检测问题上，根据籽粒区域的灰度统计和分布信息，以及垩白区域在籽粒区域中的分布特征，提出了四种垩白米检测算法。

In terms of the gray statistics and distribution information of kernel region and chalky region distribution characteristic in the kernel region, four algorithms of chalky rice are presented.

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另外，为了考察图像的空域信息，本文提出了两个统计特征：局部匹配度特征和局部最大平均差分特征。

In addition, taking spatial information into account, two statistical features were presented: local matching degree and local Max average difference.

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