You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
22 lines
553 B
Markdown
22 lines
553 B
Markdown
# 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
|
|
``` |