[오늘의 코드 130] [HackerRank] Weather Observation Station 1

 

https://www.hackerrank.com/challenges/binary-search-tree-1/problem?isFullScreen=true

 

[문제]

Query a list of CITY and STATE from the STATION table.
The STATION table is described as follows:

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

 

[💡 정답]

SELECT DISTINCT CITY, STATE 
FROM STATION ;

 

 ✔️ 알게된 것 

- 간단한 SELECT 문