"HR-SQL Weather Observation Station 3"의 두 판 사이의 차이

2021년 7월 31일 (토) 10:52 기준 최신판

해커랭크 SQL
문제	DB2	MS SQL	MySQL	Oracle
HR-SQL Basic Select e
HR-SQL Revising the Select Query I
HR-SQL Revising the Select Query II
HR-SQL Select All
HR-SQL Select By ID
HR-SQL Japanese Cities' Attributes
HR-SQL Japanese Cities' Names
HR-SQL Weather Observation Station 1
HR-SQL Weather Observation Station 3
HR-SQL Weather Observation Station 4
HR-SQL Weather Observation Station 5
HR-SQL Weather Observation Station 6
HR-SQL Weather Observation Station 7
HR-SQL Weather Observation Station 8
HR-SQL Weather Observation Station 9
HR-SQL Weather Observation Station 10
HR-SQL Weather Observation Station 11
HR-SQL Weather Observation Station 12
HR-SQL Higher Than 75 Marks
HR-SQL Employee Names
HR-SQL Employee Salaries

SELECT CITY FROM STATION
WHERE MOD(ID,2)=0
GROUP BY CITY;

SELECT CITY FROM STATION
WHERE ID%2=0
GROUP BY CITY;

SELECT CITY FROM STATION
WHERE MOD(ID,2)=0
GROUP BY CITY;

SELECT CITY FROM STATION
WHERE MOD(ID,2)=0
GROUP BY CITY;

@@ 1번째 줄: / 1번째 줄: @@
 ==개요==
 ;HR-SQL Weather Observation Station 3
-*
+* https://www.hackerrank.com/challenges/weather-observation-station-3/problem
 {{HR-SQL 헤더}}
@@ 7번째 줄: / 7번째 줄: @@
 |}
-<source lang='sql'>
+==DB2==
-</source>
+<syntaxhighlight lang='sql'>
+SELECT CITY FROM STATION
+WHERE MOD(ID,2)=0
+GROUP BY CITY;
+</syntaxhighlight>
+==MS SQL ★==
+<syntaxhighlight lang='sql'>
+SELECT CITY FROM STATION
+WHERE ID%2=0
+GROUP BY CITY;
+</syntaxhighlight>
+==MySQL==
+<syntaxhighlight lang='sql'>
+SELECT CITY FROM STATION
+WHERE MOD(ID,2)=0
+GROUP BY CITY;
+</syntaxhighlight>
+==Oracle==
+<syntaxhighlight lang='sql'>
+SELECT CITY FROM STATION
+WHERE MOD(ID,2)=0
+GROUP BY CITY;
+</syntaxhighlight>