SQL 문제풀이
[해커랭크 SQL] Basic Select - Weather Observation Station 12
냄비짱
2023. 8. 18. 22:05
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❓ Question
https://www.hackerrank.com/challenges/weather-observation-station-12
Weather Observation Station 12 | HackerRank
Query an alphabetically ordered list of CITY names not starting and ending with vowels.
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❗ Answer
SELECT DISTINCT(city)
FROM station
WHERE (LEFT(city,1) NOT IN ('a','e','i','o','u'))
AND (RIGHT(city,1) NOT IN ('a','e','i','o','u'));
📌 Discussion
- WHERE절에서 AND로 교집합 조건을 걸어줌