Weather Observation Station 8

• 문제
  
• 정답

SELECT DISTINCT CITY
FROM STATION
WHERE 
LOWER(SUBSTRING(CITY, 1, 1)) IN ('a', 'e', 'i', 'o', 'u')
AND LOWER(SUBSTRING(CITY, LENGTH(CITY), 1)) IN ('a', 'e', 'i', 'o', 'u'); 

• 결과