"HR-SQL Weather Observation Station 18"의 두 판 사이의 차이

2018년 8월 16일 (목) 16:57 판

1 개요

HR-SQL Weather Observation Station 18

https://www.hackerrank.com/challenges/weather-observation-station-18/problem

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

2 MySQL

SELECT ROUND(
    (SELECT MAX(LAT_N) FROM STATION)
    -(SELECT MIN(LAT_N) FROM STATION)
    +(SELECT MAX(LONG_W) FROM STATION)
    -(SELECT MIN(LONG_W) FROM STATION)
, 4);

@@ 1번째 줄: / 1번째 줄: @@
 ==개요==
 ;HR-SQL Weather Observation Station 18
-*
+* https://www.hackerrank.com/challenges/weather-observation-station-18/problem
 {{HR-SQL 헤더}}
@@ 7번째 줄: / 7번째 줄: @@
 |}
-<source lang='sql'>
+==MySQL==
+<source lang='mysql'>
+SELECT ROUND(
+    (SELECT MAX(LAT_N) FROM STATION)
+    -(SELECT MIN(LAT_N) FROM STATION)
+    +(SELECT MAX(LONG_W) FROM STATION)
+    -(SELECT MIN(LONG_W) FROM STATION)
+, 4);
 </source>