- event list : show events;
 - create statement check : show create event event_name;
 - db variable data : show VARIABLES like ‘%event%’;
 - detail event information : select * from information_schema.EVENTS where event_name = ‘event_name’;
 
개인 일상, 내가 까먹어서 적는 개발 노트, 각종 리스트들