해커랭크 sql
[Hackerrank SQL] Weather Observation Station 8
www.hackerrank.com/challenges/weather-observation-station-8/problem?h_r=next-challenge&h_v=legacy&h_r=next-challenge&h_v=zen Weather Observation Station 8 | HackerRank Query CITY names that start AND end with vowels. www.hackerrank.com 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 duplicat..
![[Hackerrank SQL] Weather Observation Station 3](https://img1.daumcdn.net/thumb/R750x0/?scode=mtistory2&fname=https%3A%2F%2Fblog.kakaocdn.net%2Fdn%2Fbi39al%2FbtqXY03ifT2%2FeQFaRlCDK4aBElBFWdHIzK%2Fimg.png)
[Hackerrank SQL] Weather Observation Station 3
www.hackerrank.com/challenges/weather-observation-station-3/problem?h_r=next-challenge&h_v=zen&h_r=next-challenge&h_v=zen&h_r=next-challenge&h_v=zen&h_r=next-challenge&h_v=zen&h_r=next-challenge&h_v=zen&h_r=next-challenge&h_v=zen&h_r=next-challenge&h_v=zen Weather Observation Station 3 | HackerRank Query a list of unique CITY names with even ID numbers. www.hackerrank.com Query a list of CITY na..