[HackerRank/SQL] Aggregation - Weather Observation Station 16

Problem. Basic Select - Weather Observation Station 16

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Link.

https://www.hackerrank.com/challenges/weather-observation-station-16/problem?isFullScreen=true&h_r=next-challenge&h_v=zen 

Weather Observation Station 16 | HackerRank

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Description.

Query the smallest Northern Latitude (LAT_N) from STATION that is greater than 38.7780.

Round your answer to 4 decimal places.

 

STATION 테이블

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Key Point. 

ROUND,

 

MIN,

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My Answer. 

SELECT
ROUND(MIN(LAT_N), 4)
FROM STATION
WHERE LAT_N > 38.7780;

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References.