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wangyitong
5ca2f2f613
创建项目 |
4 months ago | |
|---|---|---|
| readme.md | 4 months ago | |
readme.md
ETL_science
主要用于数据统计分析的任务设计 该模块目录如下
目录结构
etl_science
│ readme.md
└─etl_org - 对应具体的任务类型
├─ddl - 对应具体的任务表
└─sql - 对应具体的任务执行流程
对应具体任务表规则如下
1.ODS (operational data store) 原始数据层
2.DWD (data warehouse detials) 数据明细层
3.DWM (data warehouse middle) 数据中间层
4.DWS (data warehouse service) 数据服务层
5.ADS (aplication data service) 数据应用层