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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