column statistics的意思

column statistics中文翻譯：

列統計信息

相似詞語短語

statistics───n.統計；統計學；[統計]統計資料；統計數字

column───n.縱隊，列；專欄；圓柱，柱形物

statistics calculator───統計計算器

fluted column───凹槽柱

statistics memes───統計模因

column chromatography───柱層析（法），柱色譜（法）；柱層析法；[分化]柱色譜法

buckling column───屈曲柱

remarks column───[計]備注欄

statistics problem───統計問題

雙語使用場景

Any existing fragments with out-of-date column statistics will also be rebuilt at this time.───任何列統計過時的現有片段也將在此時重新構建。

This example shows the importance and advantage of correct HIGH2KEY and LOW2KEY column statistics.───這個例子表明了正確的 HIGH2KEY 和 LOW2KEY 列統計信息的重要性和好處。

When the LIKE statistics clause is specified in RUNSTATS, additional column statistics are collected.───當在RUNSTATS中指定LIKE statistics子句時，將收集附加的列統計信息。

The Missing Column Statistics event class indicates that column statistics that could have been useful for the optimizer are not available.───MissingColumnStatistics事件類指示原本對優化器有幫助的列統計信息不可用。

ALL COLUMNS INDEX Specifies whether the UPDATE STATISTICS statement affects column statistics, index statistics, or all existing statistics.───指定UPDATESTATISTICS語句是否影響列統計信息、索引統計信息或所有現有統計信息。

This procedure, intended for internal diagnostic purposes, retrieves column statistics from the system table SYSCOLSTAT.───此用于內部診斷的過程檢索來自系統表SYSCOLSTAT的列統計信息。

By monitoring the Missing Column Statistics event class, you can determine if there are statistics missing for a column used by a query.───通過監視MissingColumnStatistics事件類，可以確定查詢所使用的列是否缺少統計信息。

Histograms, also called column statistics, store information about the distribution of values in a column.───直方圖也被稱作列統計信息，存儲有關值在列中的分布情況的信息。

英語使用場景

Any existing fragments with out-of-date column statistics will also be rebuilt at this time.