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星型模式的英文

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  • star schema

例句与用法

  • With db2 cube views , db2 becomes aware of multidimensional structure and business entities within db2 star schemas and or snowflake models
    使用db2 cube views , db2能够识别db2星型模式和(或)雪花状模型中的多维结构和业务实体。
  • Here we assume we will use cube views with our edwdb database , which contains snowflake or star - schema tables of our enterprise data warehouse
    这里我们假设将使用cube views和edwdb数据库,后者包含企业数据仓库的雪花状或星型模式表。
  • The detected data , divided into temporal dimension , spatial dimension and classificatory dimension , are mined by using star mode so as to discover the changing laws of track
    将轨道数据分为时间维、地理维、类别维3个维度,运用星型模式对轨道检测数据进行数据挖掘,发现轨道变化规律。
  • A three - layer olap tool based on relationship is designed and implemented . the tool includes multidimensional star - schema modeling , analyzing and information releasing in various ways
    本文设计并实现了基于关系的三层olap工具,其中包括基于星型模式的多维建模,多维分析的实现以及多样的数据发布。
  • Information packing includes three data models named information package diagram , star scheme and physical data model , corresponding to conceptual model , logic model and physics model in traditional database
    数据库的信息打包设计法通过建立信息包图、星型模式、物理数据模型三种数据模型来创建数据仓库。它们分别对应传统数据库的概念模型、逻辑模型和物理模型。
  • The multidimensional data model of the sample database is designed as star schema . the etl tool is implemented curtly and the tool is independence on structure in order to make the multidimensional query analysis be independent of data source , thereby , the expansibility of system is enhanced
    星型模式设计了实例数据库的多维数据模型,并简单地实现了数据的提取与转换工具,该工具独立于查询分析系统,使得查询分析与数据来源无关,增强了系统的可扩展性。
  • This paper describes the basic features and components of data warehouse system , and deals how to use description - driven technology to integrate different data warehouse systems , how to implement the change from one data schema to another , how to clean dirty data in data transformation process , and how to exchange data among different components or systems . at last , this paper takes two products to illustrate how to implement systems following these principles and methods . these two products are the e - chain system as an application in commerce domain , and the ftedws system as an application in engineer test domain
    本文分析了数据仓库系统软件的基本特征,提出了利用描述驱动技术来实现数据仓库系统的集成管理,描述了etl操作和分析处理的基本处理流程和相应的执行构件,定义了集成框架中数据模式转换规则和数掘清洗规则,构建了一个基于星型模式和对象模型的分析模型和相应的数据查询语言,提出了集成框架系统构件间的数据交换标准,并定义了基于此标准的的数据交换和元数据交换方法,探讨了集成框架标准构件管理的基本方法和权限管理,最后介绍了数据仓库集成框架系统在商业领域的应用实例e - chain系统和工程试验领域的应用实例ftedws系统。
  • In the process of building the multidimensional data model , we made some mends on the time dimension , adapted the time model based on competition , and this model provided enough information for the later analysis based on time . and contempary , this paper used a new schema called star cluster schema as the basic structure of the multidimensional data model . the cluster schema is the joint of star schema and snowflake schema , it inherits their merits , and mends their disadvantages
    在具体的建模过程中,对时间维作了一定的修正,提出了一种基于竞争机制的时间维模型,为基于时间的分析提供了更加充分的信息;同时本文也对常用的多维数据模型的结构作了改进,采用了一种称作为星族模式的结构,这种结构结合了星型模式和雪片模式的优点,同时又对各自的缺点进行了修正,并在实际中得到了很好的应用。
  • In this thesis we mainly deal with the research on the performance optimization of data warehouse , including : the factor of the data warehouse performance , the performance optimization of data warehouse , the analysis and performance optimization of olap , at last , we use a example in the electric power system to show the practical application of ihe performance optimization in the data warehouse system
    基于对联机分析处理系统olap的分析,研究了提高系统执行效率和响应速度的方法,并实现了一个数据仓库性能优化的实例。论文的内容主要包括:影响数据仓库性能的因素、数据仓库的性能优化、 olap的性能分析和优化,对常用的星型模式和雪花模式提出了一种改进方案,论文的最后实现了一个用电负荷分析数据仓库性能优化的应用实例。
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