[해커랭크/SQL] 17. Weather Observation Station 12 (REGEXP)

👉 https://www.hackerrank.com/challenges/weather-observation-station-12/problem?isFullScreen=true&h_r=next-challenge&h_v=zen&h_r=next-challenge&h_v=zen

Weather Observation Station 12 | HackerRank

 

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🤔 문제 분석

1) Query the list of CITY names from STATION that do not start with vowels and do not end with vowels.

2) Your result cannot contain duplicates.

 

💡 풀이

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