> For the complete documentation index, see [llms.txt](https://sda1547.gitbook.io/data-engineering/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sda1547.gitbook.io/data-engineering/database.md).

# Database

- [ETL과 ELT 정리](https://sda1547.gitbook.io/data-engineering/database/etl-elt.md)
- [OLAP와 OLTP 정리](https://sda1547.gitbook.io/data-engineering/database/olap-oltp.md)