Ensure that the column on which the Primary Key ( maybe same as Primary Index in many cases) is to be defined in the driving table/ dimension is unique. 确保主键(有些情况下可能称为主索引)上的列在driving表/维度中的定义是惟一的。
Profile data and identify Primary Index ( PI) candidates 配置文件数据并识别主索引(PrimaryIndex,PI)候选者
There are two types of Primary Indexes – Unique Primary Index ( UPI) and Non-unique Primary Index ( N UPI). 有两种主索引–惟一主索引(UPI)与非惟一主索引(NUPI)。
A typical mistake in designing a Teradata Primary Index is to simply combine a number of columns to evenly distribute data across Teradata AMPs. 在设计Teradata主索引时典型的错误是仅仅合并列来在TeradataAMPs中均匀地分布数据。
In order to define a quality primary index, data profiling ( sometimes referred to as data analysis) is required. 为定义高质量的主索引,需要数据剖析(有时称为数据分析)。
Having the row keys always sorted can give you something like the primary key index found in relational databases. 使行键始终有序可为您提供类似关系数据库中发现的主键索引之类的内容。
Any query that utilizes the Primary Index column will encounter faster response times. 任何利用主索引列的查询将会遭遇更快速响应时间问题。
Primary XML index names have the same restrictions as view names. 主xml索引名称与视图名称有相同的限制。
This paper proposes the indexes for the climatic division and suitability of tobacco growth in Yunnan according to the regional climatic characteristics: heat resource as primary index while precipitation and sunshine duration as secondary indexes. 摘要根据云南烤烟气候特点,提出了判别云南烤烟气候类型及其适宜性的指标:热量为一级指标,降水和光照为二级指标。
The Study on the Relationship between Regional Urban Primary Index and Increase of Economics; capital and largest city of Cuba; located in western Cuba; one of the oldest cities in the Americas. 区域城市首位度与经济增长关系研究古巴首都及最大城市;位于古巴西部;美洲最古老的城市之一。
The voltage is one of the primary index in electric energy quality and the reactive power is an important factor to affect the voltage quality. The VQC plays a significant role in the adjustment of reactive power and voltage in the substation. 电压是电能质量的主要指标之一,无功是影响电压质量的重要因素,电压无功综合控制器(VQC)在变电站电压无功的调整中起着重要的作用。
Urban primary index has been widely used into the study in the field of philosophy of urban geography for many years, which shows the emphasis on the study on urban distribution system in a country. 长期以来,城市首位度概念被广泛应用于城市地理学的研究中,用来分析一个国家的城市规模分布的规律。
The morphologic and functional integrality is the primary index of the clinic utility and preservation quality evaluation of the cornea endothelium. 角膜内皮细胞形态学上的完整和功能上的健全是临床上评价角膜功能的指标,也是角膜保存质量评定的标准。
The system efficiency is a primary index for evaluating pumping system. The quality of measured parameters has a great influence on the efficiency of pumping system. 系统效率是抽油机装置的主要评价指标,测量参数的质量对系统效率测算结果准确程度的影响很大。
The poetic deconstruction and reconstruction of the semantic structure of the word is a dynamic process required of the primary index system by human individual instinct to make his inner experience articulate. 而词语语义的诗性解构和重构,就是诗人为了表现内心体验使语言系统与其它表意系统相互链接拼装重组的动态过程。
Light transparency difference as primary index of evaluating stored rice quality was proposed, and this method is simple, feasible, good adaptability and high sensitivity. 实验证明,光透差作为评价大米因生霉或陈化引起的品质劣变的主要指标,是可行的。该方法适应性好,灵敏度较传统指标高,方法简单。
In any time, software reliability is the primary index of software quality. Software reliability evaluation consists of models, method, tools and conditions. 软件的可靠性在任何时候都是衡量软件质量的首要指标,其评估涉及模型、方法、工具和条件等方面。
During the analysis on the determination of logistic node type, on the basis of selecting primary index and relative data, the index filtration was applied by analyzing correlation and space difference in order to establish the synthetically index system for determination of logistic node type. 在对物流节点类型确定分析中,在初始指标的选择并搜集相关数据的基础上,通过指标相关性分析和空间差异度分析进行指标筛选,建立了物流节点类型确定的综合指标体系。
The second chapter summarizes the related theory with the urban primary index. 第二章对和城市首位度密切相关的理论和方法进行了综述,分析了城市首位度与相关理论的关系。
Through overall and deep document consulting, there set up a primary index system for evaluating the grade of certain regional human resources development in the paper. 本文通过较为全面和深入的文献查阅,初步构建了区域人力资源开发水平评价指标体系。
When saccharogenic power was considered as the primary index, three factors including malting temperature, steeping degree, and kilning temperature in sequence had important influence. 以糖化力为主要指标时,对糖化力影响的主次因素顺序为:发芽温度>浸麦度>焙焦温度;
As the main part of the photoelectric tracking equipment, the tracking precision of the photoelectric tracking control system is a primary index measuring photoelectric tracking equipments. 光电跟踪控制系统是光电跟踪设备的重要组成部分,跟踪精度是衡量光电跟踪设备的主要指标。
Study on effect of environment humidity to primary index in cigarette smoke and taste of products 环境湿度对卷烟烟气主要指标及感官质量的影响研究
And the micro-structure mechanical characteristics of film material are the primary index and basic performance of film quality, to some great extent, determining the reliability and life of films and devices. 由于膜-基体系微构造的机械特性是薄膜质量的首要指标和发挥其性能的基本条件,在很大程度上决定了薄膜及器件的可靠性和使用寿命。
The excellent performance index evaluation system of stadium and gymnasiums contains seven primary index including leadership, strategically planning, students focus, measurement analysis and improvement, resources, process management, performance management, and nineteen secondary index, and sixty one tertiary index. 4. 场馆组织卓越绩效评价指标体系由领导、战略计划、关注学生、测量分析与改进、资源、过程管理、绩效管理7个一级指标、19个二级指标、61个三级指标构成。
The constructed knowledge management performance evaluation index in this paper was based on primary index and secondary indexes, to evaluating model of knowledge management performance. 本文所构建的知识管理绩效评价指标通过基于一级指标与二级指标的指标评价模型评价知识管理绩效。
This scheme directly stores XML nodes as records into a paged file to build up the primary index of the native XML store and implement the persistent document object model, thus retaining the original tree structure of XML data. 该方案将XML节点作为记录直接存储到分页文件中,建立起原生XML存储的主索引,实现了持久化文档对象模型,从而保持了XML数据原有的树形结构。