https://answers.microsoft.com/ko-kr/msoffice/forum/all/excel-csv-%ED%8C%8C%EC%9D%BC/08139fad-588d-469d-8e83-5aad1ae652b8
https://vnvn31.tistory.com/entry/SQLCSV-PostgresSQL-data-export%EC%8B%9C-excel-%ED%95%9C%EA%B8%80%EA%B9%A8%EC%A7%90
https://cbwstar.tistory.com/entry/PostgreSQL-%EC%9D%B8%EC%BD%94%EB%94%A9encoding-%ED%99%95%EC%9D%B8
