Error Error Code: 1055. Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'tp.menu.menu_id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by 원인 select 목록, having 조건 또는 order by 목록이 group by 절에 이름이 지정되지 않았거나 GROUP BY column에 primary key나 unique key 처럼 고유하게 존재하여 집계되지 않는 column을 참조하면 쿼리를 거..