青年中文青年中文

column group的意思

column group中文翻譯:

“列”組

相似詞語短語

column───n.縱隊,列;專欄;圓柱,柱形物

fluted column───凹槽柱

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

column heading───[計] 列標題,欄標題;[計]欄標題

in column───編隊

rectification column───[化] 精餾塔;[化工]精餾塔

chromatography column───[建] 色譜精煉柱;層析柱

雙語使用場景

Sometimes, column group, or like statistics options can be useful.───有時候,列組或類似的統計選項會很有用。

Column group Statistics obtains the number of distinct combinations of values for a group of columns.───列組(Column Group)統計信息將獲得一組列的不同值組合的數目。

RUNSTATS with column group statistics.───列組統計信息的runstats。

It is left as an exercise for you to determine the appropriate RUNSTATS statement to collect a column group statistic.───至于確定合適的RUNSTATS語句來收集列組統計信息,就留與您做練習。

Column Group Statistics obtains the number of distinct combinations of values for a group of columns.───列組(ColumnGroup)統計信息將獲得一組列的不同值組合的數目。

Chart values, also called value series or static series, are similar to a static row or column group in a matrix.───圖表值也稱為值序列或靜態序列,與矩陣中的靜態行組或靜態列組類似。

The product of individual column cardinalities is compared to the cardinality of the column group to get better correlation estimates.───較于列組的基數,單個列的基數(cardinality)的乘積將獲得更好的相關性估計。

The cardinality estimate is slightly higher than the actual value of 4 since the column group statistic is a uniform distribution statistic.───由于列組統計信息是一個均勻分布的統計信息,所以基數估計值比實際值4稍高了一些。

Column group statistics assume data is uniform; distribution statistics are not available yet on column groups.───列組統計信息假設數據是均勻分布的;但還無法獲得列組上的分布統計信息。

英語使用場景