(새 문서: ==개요== ;{{subst:PAGENAME}} * {{HR-SQL 헤더}} {{HR-SQL Aggregation}} |} <source lang='sql'> </source>) |
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| 1번째 줄: | 1번째 줄: | ||
==개요== | ==개요== | ||
;HR-SQL Population Density Difference | ;HR-SQL Population Density Difference | ||
* | * https://www.hackerrank.com/challenges/population-density-difference/problem | ||
{{HR-SQL 헤더}} | {{HR-SQL 헤더}} | ||
| 7번째 줄: | 7번째 줄: | ||
|} | |} | ||
<source lang=' | ==MySQL== | ||
<source lang='mysql'> | |||
SELECT (SELECT MAX(POPULATION) FROM CITY) | |||
- (SELECT MIN(POPULATION) FROM CITY); | |||
</source> | </source> | ||
2018년 8월 16일 (목) 01:05 판
1 개요
- HR-SQL Population Density Difference
2 MySQL
SELECT (SELECT MAX(POPULATION) FROM CITY)
- (SELECT MIN(POPULATION) FROM CITY);
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