AWS console RDS
파라미터 그룹 신규 생성 or 편집
타임존
인코딩
character-set-client : utf8
character-set-connection : utf8
character-set-database : utf8
character-set-results : utf8
character-set-filesystem : utf8
character_set_server : utf8
collation_connection : utf8_general_ci
collation_server : utf8_general_ci
로그
파라미터 변경 후 RDS 재부팅