column statistics信息详情

column statistics发音

意思翻译

列统计信息

相似词语短语

statistics───n.统计;统计学;[统计]统计资料;统计数字

column───n.纵队,列;专栏;圆柱,柱形物

statistics calculator───统计计算器

fluted column───凹槽柱

statistics memes───统计模因

column chromatography───柱层析(法),柱色谱(法);柱层析法;[分化]柱色谱法

buckling column───屈曲柱

remarks column───[计]备注栏

statistics problem───统计问题

双语使用场景

Any existing fragments with out-of-date column statistics will also be rebuilt at this time.───任何列统计过时的现有片段也将在此时重新构建。

This example shows the importance and advantage of correct HIGH2KEY and LOW2KEY column statistics.───这个例子表明了正确的 HIGH2KEY 和 LOW2KEY 列统计信息的重要性和好处。

When the LIKE statistics clause is specified in RUNSTATS, additional column statistics are collected.───当在RUNSTATS中指定LIKE statistics子句时,将收集附加的列统计信息。

The Missing Column Statistics event class indicates that column statistics that could have been useful for the optimizer are not available.───MissingColumnStatistics事件类指示原本对优化器有帮助的列统计信息不可用。

ALL COLUMNS INDEX Specifies whether the UPDATE STATISTICS statement affects column statistics, index statistics, or all existing statistics.───指定UPDATESTATISTICS语句是否影响列统计信息、索引统计信息或所有现有统计信息。

This procedure, intended for internal diagnostic purposes, retrieves column statistics from the system table SYSCOLSTAT.───此用于内部诊断的过程检索来自系统表SYSCOLSTAT的列统计信息。

By monitoring the Missing Column Statistics event class, you can determine if there are statistics missing for a column used by a query.───通过监视MissingColumnStatistics事件类,可以确定查询所使用的列是否缺少统计信息。

Histograms, also called column statistics, store information about the distribution of values in a column.───直方图也被称作列统计信息,存储有关值在列中的分布情况的信息。

英语使用场景

Any existing fragments with out-of-date column statistics will also be rebuilt at this time.