The optimizer will then join that temp table to the fact table using the compound index to quickly locate the rows that satisfy the criteria on the dimension tables.
优化器然后使用复合索引将临时表连接到事实表,来快速定位在维度表中满足条件的行。
The paper proposes to use the ratio of unit energy consumption over productivity as a compound index in the evaluation of the operation efficiency of steady operation roller.
本文提出应用单位能耗量与单位生产率之比的综合指标来评价静作用压路机的作业效率。
Results About 34 components were separated from the volatile oil extracted from the similar wild panax ginseng and 15 compounds were identified according to the compound index.
结果共分离出34种化学成分,经与质谱标准图谱比较,检索出15种化合物。
Results About 34 components were separated from the volatile oil extracted from the similar wild panax ginseng and 15 compounds were identified according to the compound index.
结果共分离出34种化学成分,经与质谱标准图谱比较,检索出15种化合物。
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