[해커랭크/SQL] 13. Weather Observation Station 8 (REGEXP)

👉 https://www.hackerrank.com/challenges/weather-observation-station-8/problem?isFullScreen=true&h_r=next-challenge&h_v=zen

Weather Observation Station 8 | HackerRank

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🤔 문제 분석

1) Query the list of CITY names from STATION which have vowels (i.e., a, e, i, o, and u) as both their first and last characters. Your result cannot contain duplicates.

 

💡 풀이

SELECT CITY
FROM STATION
WHERE CITY REGEXP "^[A|E|I|O|U]" 
AND CITY REGEXP "[A|E|I|O|U]$"