数据仓库和开源BI解决方案介绍

数据仓库简介数据仓库概念和简介 ETL 维度模型数据仓库的设计：案例分析开源 BI 套件： Pentaho MySQL 部署吴源林 186 0219 5030 Wyl2000 @ gmail.com

数据驱动的商业 ,[object Object],[object Object],[object Object],[object Object],[object Object]

数据仓库 ,[object Object],[object Object],[object Object]

数据仓库关键词 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

OLTP vs OLAP ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

OLTP ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

维度模型 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

维度模型：星型数据库 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],事实表维度表维度表维度表

数据立方体 – 多维度查询

维度模型关键概念 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

代理键值（ surrogate key ）： ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

缓慢变化的维度 SCD ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

日期维度 | 雪花处理 ,[object Object],[object Object]

多对多关系 ,[object Object],[object Object],[object Object],销售事实订单 ID 销售小组 ID 销售小组成员 A ( 组长 ) 成员 B 成员 C 员工成员 A 成员 B 成员 C

层级 | 事实表类型 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

累积快照 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

建立维度模型的步骤 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Step 4 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Step 5 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

开源 BI 套件 – Pentaho 简介 ,[object Object],[object Object]

ETL 实施：工具 Pentaho PDI

Input Steps Output Steps Lookup Steps Transformation Steps Join Steps DW Steps Mapping Steps Job Steps

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object]

举例： Sakila DVD 租赁店

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Pentaho Analysis Services (aka Mondrian) ,[object Object],[object Object]

数据库 - MySQL ,[object Object]

典型的 MySQL 设置 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

MySQL 配置 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

即时分析 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

参考资料： ,[object Object],[object Object],[object Object],[object Object]

谢谢！欢迎斧正并赐教： [email_address]

数据仓库和开源BI解决方案介绍

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