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Hackerrank | MySQL | Weather Observation Station 3 본문
Weather Observation Station 3
Weather Observation Station 3 | HackerRank
Query a list of unique CITY names with even ID numbers.
www.hackerrank.com
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:
Solution
SELECT distinct City
FROM Station
WHERE ID % 2 = 0'데이터분석 > practice_query' 카테고리의 다른 글
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