HackerRank - Japanese Cities' Attributes
April - 25/2025Problem:
Query all attributes of every Japanese city in the CITY table. The COUNTRYCODE for Japan is JPN.
The CITY table is described as follows:
# Solution
| Field | Type |
|---|---|
| ID | NUMBER |
| Name | VARCHAR2(17) |
| COUNTRYCODE | VARCHAR2(3) |
| DISTRICT | VARCHAR2(20) |
| POPULATION | NUMBER |
SELECT *
FROM CITY
WHERE COUNTRYCODE = 'JPN';