SQL 문제풀이
[해커랭크 SQL] Basic Select - Weather Observation Station 7
냄비짱
2023. 8. 18. 21:46
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❓ Question
https://www.hackerrank.com/challenges/weather-observation-station-7
Weather Observation Station 7 | HackerRank
Query the list of CITY names ending with vowels (a, e, i, o, u) from STATION.
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❗ Answer
SELECT DISTINCT(city)
FROM station
WHERE RIGHT(city,1) IN ('a','e','i','o','u');
📌 Discussion
- RIGHT(column,n)은 column의 data에서 오른쪽 끝부터 n번째까지 추출하는 함수