HackerRank Intermediate - The PADS👉 문제 바로가기(HackerRank)-- 풀이1. 테이블 병합하여 한번에 출력SELECT col FROM ( SELECT CONCAT(NAME, '(', LEFT(Occupation,1), ')') AS col, 1 AS sort_order, NAME AS sort_value, NULL AS cnt, NULL AS occ FROM OCCUPATIONS UNION ALL SELECT CONCAT('There are a total of ', COUNT(*), ' ', LOWER(Occupation), 's.') AS col, ..