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【DBMS 数据库管理系统】数据仓库 ( 数据仓库简介 | 操作型数据与分析性数据对比 | 数据仓库特征 | 特征一 : 面向主题组织数据 | 面向应用 | )（一）

一、数据仓库简介数据仓库简介 :用途 : 作为 DSS ( Decision Support System 决策支持系统 ) 服务基础的分析型数据库 ;数据 : 用于存储大量的只读数据 ;应用场景 : 为管理者决策提供相关信息 ;数据仓库与操作系统分离 , 基于标准的企业模型集成 , 带时间属性 , 面向主题 , 不可更新的数据集合 ;二、操作型数据与分析型数据对比操作型数据 ....

文章 2017-07-03 来自：开发者社区

说起大数据生态，不得不提大数据生态系统图，而大数据行业却不断的发生着巨变，目前的这张图应该还算比较新了。创业者们蜂拥至这个行业，这个行业正变得越来越拥挤。Hadoop似乎已经奠定了其作为整个大数据生态系统的关键部分，Spark是另一个基于内存计算的开源分布式计算框架，它试图填补Hadoop的弱项，提供更快的数据分析和良好的编程接口。分析工具领域变得异常活跃，数据应用领域正如预测一样逐渐成为.....

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