SQL 문제풀이
[해커랭크 SQL] Basic Select - Weather Observation Station 8
냄비짱
2023. 8. 18. 21:52
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❓ Question
https://www.hackerrank.com/challenges/weather-observation-station-8
Weather Observation Station 8 | HackerRank
Query CITY names that start AND end with vowels.
www.hackerrank.com
❗ Answer
SELECT DISTINCT(city)
FROM station
WHERE (LEFT(city,1) IN ('a','e','i','o','u'))
AND (RIGHT(city,1) IN ('a','e','i','o','u'));
📌 Discussion
- WHERE 절에서 LEFT와 RIGHT 조건을 AND로 동시 만족 시키는 레코드만 추출