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Weather Observation Station 3 | HackerRank Query a list of unique CITY names with even ID numbers. www.hackerrank.com 문제 조건 Query a list of CITY names from STATION for cities that have an even ID number. Print the results in any order, but exclude duplicates from the answer. 문제 풀이 SELECT DISTINCT city FROM STATION WHERE (ID % 2 ) = 0

Weather Observation Station 1 | HackerRank Write a query to print the CITY and STATE for each attribute in the STATION table. www.hackerrank.com 문제 조건 station 테이블에서 city와 state를 출력하시오. 문제 풀이 select city, state from station

Japanese Cities' Names | HackerRank In this challenge, you will query a list of all the Japanese cities' names. www.hackerrank.com 문제 조건 Query the names of all the Japanese cities in the CITY table. The COUNTRYCODE for Japan is JPN. 문제 풀이 select name from city where countrycode = 'JPN'

Japanese Cities' Attributes | HackerRank Query the attributes of all the cities in Japan. www.hackerrank.com 문제 조건 Query all attributes of every Japanese city in the CITY table. The COUNTRYCODE for Japan is JPN. 정답 쿼리 select * from city where countrycode = 'JPN'

Select By ID | HackerRank Query the details of the city with ID 1661. www.hackerrank.com 문제 조건 Query all columns for a city in CITY with the ID 1661. 정답 쿼리 select * from city where id = 1661

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Revising the Select Query II | HackerRank Query the city names for all American cities with populations larger than 120,000. www.hackerrank.com 문제 조건 Query the NAME field for all American cities in the CITY table with populations larger than 120000. The CountryCode for America is USA. 문제 풀이 select name from city where countrycode = 'USA' and population > 120000

Revising the Select Query I | HackerRank Query the data for all American cities with populations larger than 100,000. www.hackerrank.com 문제 조건 Query all columns for all American cities in the CITY table with populations larger than 100000. The CountryCode for America is USA. The CITY table is described as follows: 문제 풀이 select * from city where population > 100000 and countrycode = 'USA'