仅在那些影响当前工作负载的关键表上执行 RUNSTATS。

Perform RUNSTATS only on those critical tables that would have an effect on the current workload.

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当前关键表值是您在acaction表中可以使用的最大acaction_id值。

The current key table value is the maximum acaction_id value that you can use in the acaction table.

youdao

有可能存在这样的场景：您的报告需要的大部分数据都存在于一个数据库，但几个关键表除外。

There may be scenarios where most of the data you require for reporting exists in one database with the exception of a few other key tables.

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