✅ Population Density Difference
📝 문제
Query the difference between the maximum and minimum populations in CITY.
Input Format
The CITY table is described as follows:
💻 풀이
SELECT MAX(POPULATION) - MIN(POPULATION)
FROM CITY;Query the difference between the maximum and minimum populations in CITY.
Input Format
The CITY table is described as follows:
SELECT MAX(POPULATION) - MIN(POPULATION)
FROM CITY;