HackerRank - Japanese Cities' Attributes

April - 25/2025

Problem:

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';
        

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