https://eotrade.tistory.com/entry/%EC%9A%B0%EB%B6%84%ED%88%AC%EC%99%80-VirtualBox%EC%99%80-%ED%81%B4%EB%A6%BD%EB%B3%B4%EB%93%9C-%EA%B3%B5%EC%9C%A0-%EC%95%88%EB%90%A0-%EB%95%8C https://zincod.tistory.com/280 글 탐색 이전 글이전 postgresql 첫걸음 떼기
