"HR-SQL Weather Observation Station 2"의 두 판 사이의 차이

2021년 7월 31일 (토) 10:52 기준 최신판

해커랭크 SQL
문제	DB2	MS SQL	MySQL	Oracle
HR-SQL Aggregation e
HR-SQL Revising Aggregations - The Count Function
HR-SQL Revising Aggregations - The Sum Function
HR-SQL Revising Aggregations - Averages
HR-SQL Average Population
HR-SQL Japan Population
HR-SQL Population Density Difference
HR-SQL The Blunder
HR-SQL Top Earners
HR-SQL Weather Observation Station 2
HR-SQL Weather Observation Station 13
HR-SQL Weather Observation Station 14
HR-SQL Weather Observation Station 15
HR-SQL Weather Observation Station 16
HR-SQL Weather Observation Station 17
HR-SQL Weather Observation Station 18
HR-SQL Weather Observation Station 19
HR-SQL Weather Observation Station 20

SELECT ROUND(SUM(LAT_N),2), ROUND(SUM(LONG_W),2) FROM STATION;

@@ 1번째 줄: / 1번째 줄: @@
 ==개요==
 ;HR-SQL Weather Observation Station 2
-*
+* https://www.hackerrank.com/challenges/weather-observation-station-2/problem
+* 참고: [[MySQL ROUND()]]
 {{HR-SQL 헤더}}
@@ 7번째 줄: / 8번째 줄: @@
 |}
-<source lang='sql'>
+==MySQL==
-</source>
+<syntaxhighlight lang='mysql'>
+SELECT ROUND(SUM(LAT_N),2), ROUND(SUM(LONG_W),2) FROM STATION;
+</syntaxhighlight>