如果创建新的索引，而在最后一次执行RUNSTATS以后还未修改相应的表，那么您可以只收集索引上的目录统计信息。

If new indexes have been created, and the corresponding table has not been modified since the last RUNSTATS execution, then you can collect catalog statistics on indexes only.

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然而，在那天的上午8点32份，在经过几周的小地震和蒸发沸腾以后，圣海伦火山的背面坍塌，形成了有史以来最大的一次山体滑坡。

But at 8:32 a.m. that day, after weeks of small earthquakes and belching steam, the north face of Mount St. Helens fell away, the largest landslide ever recorded.

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三十来岁的债券交易商对普通美国人的生活有巨大的影响。我们这是第一次就此交换意见，以后这样的交流还有一些。

This was the first of many exchanges we would have about the power over the lives of ordinary Americans exercised by thirty-year-old bond traders.

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