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SpagoBI Lesson 2: OLAP with JPIVOT Online Analytical Processing Online Analytical Processing (OLAP) enables one to analyze different dimensions of multidimensional data. It enables one to analyze data from different perspectives. Consider sales data…
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一.  OLAP的基本概念 OLAP(On-Line Analysis Processing)在线分析处理是一种共享多维信息的快速分析技术:OLAP利用多维数据库技术使用户从不同角度观察数据:OLAP用于支持复杂的分析操作,侧重于对管理人员的决策支持,可以满足分析人员快速.灵活地进行大数据复量的复杂查询的要求,并且以一种直观.易懂的形式呈现查询结果,辅助决策. 二.  OLAP的基本内容 (1)变量(度量) 变量是数据度量的指标,是数据的实际意义,即描述数据“是什么”.像示例中的人数. (2)维…
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