大数据仓库建设方案设计.docx
大数据仓库建设方案设计
目录
一、内容概要...............................................3
1.1项目背景...............................................4
1.2项目目标...............................................5
1.3文档概述...............................................6
二、需求分析...............................................7
2.1业务需求...............................................8
2.2技术需求..............................................10
2.3安全需求..............................................10
三、系统架构设计..........................................12
3.1系统架构概述..........................................13
3.2数据仓库架构设计......................................14
3.2.1数据源集成..........................................15
3.2.2数据存储架构........................................16
3.2.3数据处理架构........................................18
3.3系统模块设计..........................................19
3.3.1数据采集模块........................................21
3.3.2数据清洗模块........................................22
3.3.3数据加载模块........................................23
3.3.4数据分析模块........................................25
3.3.5数据展现模块........................................26
四、数据仓库设计..........................................27
4.1数据模型设计..........................................29
4.1.1实体关系模型........................................30
4.1.2数据字典............................................31
4.2数据仓库表结构设计....................................33
4.2.1事实表设计..........................................34
4.2.2维度表设计..........................................35
4.3数据仓库元数据管理....................................36
五、技术选型..............................................37
5.1数据库技术............................................39
5.2数据处理技术..........................................41
5.3数据分析技术..........................................42
5.4数据展现技术..........................................44
六、系统实施与部署........................................45
6.1系统环境搭建..........................................46
6.2数据迁移与集成........................................48
6.3