[MYSQL] HACKERRANK - Weather Observation Station 8

https://www.hackerrank.com/challenges/weather-observation-station-8/problem

Weather Observation Station 8 | HackerRank

문제

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.

Input Format

The STATION table is described as follows:

where LAT_N is the northern latitude and LONG_W is the western longitude.

 

생각해보기

이전에 사용했던 regexp의 응용

 

코드

select distinct(city)
from station
where city regexp('^[aeiou]') and city regexp('[aeiou]$');