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https://www.hackerrank.com/challenges/weather-observation-station-6/problem?isFullScreen=true Weather Observation Station 6 | HackerRank Query a list of CITY names beginning with vowels (a, e, i, o, u). www.hackerrank.com 문제 Query the list of CITY names starting with vowels (i.e., a, e, i, o, or u) from STATION. Your result cannot contain duplicates. Input Format The STATION table is described a..

https://www.hackerrank.com/challenges/weather-observation-station-4/problem?isFullScreen=true Weather Observation Station 4 | HackerRank Find the number of duplicate CITY names in STATION. www.hackerrank.com 문제 Find the difference between the total number of CITY entries in the table and the number of distinct CITY entries in the table. The STATION table is described as follows: Code SELECT COUN..

https://www.hackerrank.com/challenges/weather-observation-station-3/problem?isFullScreen=true Weather Observation Station 3 | HackerRank Query a list of unique CITY names with even ID numbers. www.hackerrank.com 문제 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. The STATION table is described ..

https://www.hackerrank.com/challenges/weather-observation-station-1/problem?isFullScreen=true 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 Query a list of CITY and STATE from the STATION table. The STATION table is described as follows: Code SELECT CITY, STATE FROM STATION;

https://www.hackerrank.com/challenges/japanese-cities-name/problem?isFullScreen=true Japanese Cities' Names | HackerRank In this challenge, you will query a list of all the Japanese cities' names. www.hackerrank.com 문제 Query the names of all the Japanese cities in the CITY table. The COUNTRYCODE for Japan is JPN. The CITY table is described as follows: Code SELECT NAME FROM CITY WHERE COUNTRYCOD..

https://www.hackerrank.com/challenges/japanese-cities-attributes/problem?isFullScreen=true Japanese Cities' Attributes | HackerRank Query the attributes of all the cities in Japan. www.hackerrank.com 문제 Query all attributes of every Japanese city in the CITY table. The COUNTRYCODE for Japan is JPN. The CITY table is described as follows: Code SELECT * FROM CITY WHERE COUNTRYCODE = 'JPN';

https://www.hackerrank.com/challenges/select-by-id/problem?isFullScreen=true Select By ID | HackerRank Query the details of the city with ID 1661. www.hackerrank.com 문제 Query all columns for a city in CITY with the ID 1661. The CITY table is described as follows: Code SELECT * FROM CITY WHERE ID = 1661;

https://www.hackerrank.com/challenges/select-all-sql/problem?isFullScreen=true Select All | HackerRank Query all columns for every row in a table. www.hackerrank.com 문제 Query all columns (attributes) for every row in the CITY table. The CITY table is described as follows: Code SELECT * FROM CITY