column group发音

意思翻译

“列”组

相似词语短语

column───n.纵队，列；专栏；圆柱，柱形物

fluted column───凹槽柱

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

column heading───[计] 列标题，栏标题；[计]栏标题

in column───编队

rectification column───[化] 精馏塔；[化工]精馏塔

chromatography column───[建] 色谱精炼柱；层析柱

双语使用场景

Sometimes, column group, or like statistics options can be useful.───有时候，列组或类似的统计选项会很有用。

Column group Statistics obtains the number of distinct combinations of values for a group of columns.───列组(Column Group)统计信息将获得一组列的不同值组合的数目。

RUNSTATS with column group statistics.───列组统计信息的runstats。

It is left as an exercise for you to determine the appropriate RUNSTATS statement to collect a column group statistic.───至于确定合适的RUNSTATS语句来收集列组统计信息，就留与您做练习。

Column Group Statistics obtains the number of distinct combinations of values for a group of columns.───列组（ColumnGroup）统计信息将获得一组列的不同值组合的数目。

Chart values, also called value series or static series, are similar to a static row or column group in a matrix.───图表值也称为值序列或静态序列，与矩阵中的静态行组或静态列组类似。

The product of individual column cardinalities is compared to the cardinality of the column group to get better correlation estimates.───较于列组的基数，单个列的基数（cardinality）的乘积将获得更好的相关性估计。

The cardinality estimate is slightly higher than the actual value of 4 since the column group statistic is a uniform distribution statistic.───由于列组统计信息是一个均匀分布的统计信息，所以基数估计值比实际值4稍高了一些。

Column group statistics assume data is uniform; distribution statistics are not available yet on column groups.───列组统计信息假设数据是均匀分布的；但还无法获得列组上的分布统计信息。

英语使用场景