문제 설명https://school.programmers.co.kr/learn/courses/30/lessons/301649 입출력 예 풀이SELECT ID, CASE WHEN PERCENT ㄴ PERCENT_RANK() 사용 SELECT ID, CASE PERCENT WHEN 1 THEN 'CRITICAL' WHEN 2 THEN 'HIGH' WHEN 3 THEN 'MEDIUM' WHEN 4 THEN 'LOW' END AS 'COLONY_NAME'FROM ( SELECT *, NTILE(4) OVER(ORDER BY SIZE_OF_COLONY DESC) AS PERCENT FROM ECOLI_DATA) AS eOR..
