• 可以基础访问路径中的节点描述符处获得统计信息

    You can obtain the statistics from the table descriptor of the table node in the underlying access path graph.

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  • 命令参数SETPROFILE添加RUNSTATS命令时,将描述符系统目录中注册存储统计信息配置文件。

    A statistics profile is registered or stored in the table descriptor and system catalogs when the command parameter "SET profile" is added to the RUNSTATS command.

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  • 此外,请注意显示描述符底部统计信息收集时间戳,其显示相对本次查询时间最新日期

    Also, notice that the timestamp for the statistics collection displayed at the bottom of the table descriptor shows a very recent date relative to the time this query is explained.

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  • 通过深入描述符统计信息,可以发现IN清单6元素恰好频率统计信息上的最后6个

    By drilling down to the column statistics in the table descriptor, you can discover that the six elements in the in list predicate happen to be the bottom six values in the frequency statistics.

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  • 介绍生物活性多肽定量构关系(QSAR)化学结构描述符建立数学模型统计方法研究概况

    This paper introduced the study general situation of the chemical structure descriptors and statistical method of mathematical modeling in bioactivity polypeptide QSAR research.

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  • 介绍生物活性多肽定量构关系(QSAR)化学结构描述符建立数学模型统计方法研究概况

    This paper introduced the study general situation of the chemical structure descriptors and statistical method of mathematical modeling in bioactivity polypeptide QSAR research.

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