Database Naming Convention and Data Warehouse Design Principles
- hackmd version: https://hackmd.io/1eeNAS1oQuSvMA0q6y_QuA?view
- gist version: https://gist.github.com/bluet/23e7697b86144561c4a3d804903d059d
[TOC]
ETL: From Data Lake to Data Warehouse
- Extract 部份:取出要的資料、去雜訊、資料標準化、parsing...
- Transform:aggregation、mapping 、combined、Change Data Types