python명령어로 python3기본 실행
https://nuggy875.tistory.com/48
airflow DB연동 에러
https://top100itw.medium.com/airflow-mysql-unicodeencodeerror-latin-1-codec-can-t-encode-characters-in-position-652-653-3e7291f08b95
airflow 인코딩 문제
https://stackoverflow.com/questions/46084744/how-to-explicitly-declare-charset-utf8-for-airflow-connections
슬랙연동
https://datarami.tistory.com/16
채널에 앱을
/invite @hot6 이런식으로 추가해줘야한다.
https://stackoverflow.com/questions/60198159/slack-api-conversations-history-returns-error-not-in-channel
데이터베이스 인코딩 확인
https://www.lesstif.com/dbms/mysql-database-table-character-set-17105743.html