像是软件工程的数据库设计

原創 爱学习的小鹏友 2020-05-23 08:27

概述

逻辑模式+物理结构

需求分析

 

概念结构设计

、

基数约束

属性冲突：字段的定义不同；

命名冲突：同名异义；异名同义

结构冲突：有的是实体、有的是属性

逻辑结构设计

 

物理结构设计

能跑就行吧？

数据库的实施和运维

数据装载-ETL

数据抽取、转换、载入

使用辅助工具进行

-------------------------------------------------------------

 

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