DISTINCT2 [MYSQL] HACKERRANK - Weather Observation Station 6 https://www.hackerrank.com/challenges/weather-observation-station-6/problem Weather Observation Station 6 | HackerRank Query a list of CITY names beginning with vowels (a, e, i, o, u). www.hackerrank.com 문제 Query the list of CITY names starting with vowels (i.e., a, e, i, o, or u) from STATION. Your result cannot contain duplicates. Input Format The STATION table is described as follows: where L.. 2022. 6. 7. [MYSQL] HACKERRANK - Weather Observation Station 3 https://www.hackerrank.com/challenges/weather-observation-station-3/problem Weather Observation Station 3 | HackerRank Query a list of unique CITY names with even ID numbers. www.hackerrank.com 문제 Query a list of CITY names from STATION for cities that have an even ID number. Print the results in any order, but exclude duplicates from the answer. The STATION table is described as follows: where .. 2022. 6. 3. 이전 1 다음