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。
We keep only a compound primary key and a secondary index for each row, and answer all queries from a single index.
我们只保留了一个组合主键和一个辅助索引来完成所有的查询。
Better control over manual indexing and index writing (RAM consumption, non-compound file format flag etc).
更好的控制手工索引和索引编写(RAM使用、非混合的文件格式标志等等)。
In this case, the first column of any index, simple or compound, is a candidate to satisfy the star join.
在这种情况下,任何索引的第一行,不管简单或复杂,都是满足星型联接的一个候选者。
The Permeability is a main governing index of plastic for packaging, and cascade compound is a main governing technique.
渗透性是包装用塑料的主要控制指标,积层复合则是主要的控制技术。
This article introduces the principles, structure, characteristic index and features of compound propulsive steering controller.
文章介绍了复合式推进操纵控制器的原理、结构、性能指标和特点。
The relationship of productivity index and inflow performance of steam drive wells is established based on compound reservoir model of different heated area of wells in steam drive pattern.
以蒸汽驱井网中油井不同受效范围的复合油层模式为基础,建立了蒸汽驱油井的采油指数和流入动态变化关系。
TLC result showed that the distribution index of OHAA catalyzed by Mg-Al-Co compound oxide reached over 80% with very good narrow distribution effect.
薄层色谱表明镁铝钴复合氧化物催化合成的OHAA分布指数达到80%以上,具有很好的窄分布效果。
Objective to observe the spleen index and spleen DNA content of Chinese native medicine compound prescription "FH" water agent to immunosuppressive mice caused of cyclophosphamide (cy).
目的:观察中药复方防黄水煎剂对环磷酰胺(CY)所致免疫功能低下小鼠脾脏指数及脾脏dna含量的影响。
The considerations in applying JS compound water-proof coatings are proposed by discussing the hybrid mechanism, applying field, performance index and et al thereof.
通过对JS复合防水涂料的复合机理、应用范围、性能指标等论述,指出了JS复合防水涂料的施工要点及注意事项。
Fiber reinforced calcium silicate board compound with light solid partition board was developed under the introduction of Australian antitype product, its performance index was improved also.
纤维增强硅酸钙复合实心轻质隔墙条板是在引进澳大利亚产品原型的基础上自主研发的,各项性能指标得到了全面的提升。
By orthogonal design, using the uniformity of compound Cefaclor content as an index, the optimal formula of compound Cefaclor was investigated.
通过正交试验设计,以胶囊含量均匀度为指标,优选出复方头孢克洛胶囊的最佳处方组成。
The compound inorganic particles synergistic hybridization effect was studied by comparing the melt index, mechanics capability and the morphology.
通过对复合材料熔体指数、力学性能以及形态结构的比较,探讨了无机组合粒子级复配共混的协同效应。
To reduce the basis risk, this thesis offers a compound hedge policy on stock index futures and deduces the expressions of the hedge ratio in two instances when the cost is same or restricted.
为了降低套期保值交易的基点差风险,本文提出了利用多种股票指数期货对股票组合进行复合套期保值的策略,并给出了套期保值成本相同和限制套期保值成本两种情况下的套期保值率公式。
Compound microbial fertilizer could also increase the height and harvest index of rice. Besides, it could enhance farming efficiency by increasing yield.
施用复合微生物肥能提高水稻株高和收获指数,并通过增产实现增效。
The index of the new appraisal is surely to be a compound and multiple one.
由于医疗行业的特殊性,其新构建的模式指标必然是一个复合的多元指标。
In order to select optimum route, thinking about the factors which are time of transfers, cost of running and times of transfers, a compound evaluation index model is obtained.
为了选择最优路径,综合考虑出行时间、出行费用和换乘次数等因素,给出一个综合评价指数模型,并用算例对算法和模型的可行性进行验证。
On the basis of summarizing the main performance index of the current floor slab system, this paper developed a new structural shape-the cast-in-place pre-stressed compound floor slab system.
本文在总结目前楼盖体系主要性能指标的基础上,开发了一种新型结构型式—现浇预应力混凝土复合楼盖体系。
The current problems presented in compound fertilizer industry were analyzed. The technological index and application of organic active compound fertilizer were introduced.
分析了当前复混肥料工业中普遍存在的问题,介绍了有机活性复混肥料的技术指标与应用情况。
The current problems presented in compound fertilizer industry were analyzed. The technological index and application of organic active compound fertilizer were introduced.
分析了当前复混肥料工业中普遍存在的问题,介绍了有机活性复混肥料的技术指标与应用情况。
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