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Weather Observation Station 6 Problem Weather Observation Station 6 | HackerRank Query a list of CITY names beginning with vowels (a, e, i, o, u). www.hackerrank.com 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 as follows: Solution -- RLIKE 사용 SELECT DISTINCT city FROM s..

Weather Observation Station 5 Problem Weather Observation Station 5 | HackerRank Write a query to print the shortest and longest length city name along with the length of the city names. www.hackerrank.com Query the two cities in STATION with the shortest and longest CITY names, as well as their respective lengths (i.e.: number of characters in the name). If there is more than one smallest or la..

Weather Observation Station 4 Problem Weather Observation Station 4 | HackerRank Find the number of duplicate CITY names in STATION. www.hackerrank.com 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: Solution SELECT COUNT(city) - COUNT(DISTINCT(city)) FROM station

Weather Observation Station 3 Problem Weather Observation Station 3 | HackerRank Query a list of unique CITY names with even ID numbers. www.hackerrank.com 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 as follows: Solution SELECT distinct City FROM Station WHER..

Weather Observation Station 1 Problem Weather Observation Station 1 | HackerRank Write a query to print the CITY and STATE for each attribute in the STATION table. www.hackerrank.com Query a list of CITY and STATE from the STATION table. The STATION table is described as follows: Solution SELECT City, State FROM Station

Japanese Cities' Names Problem Japanese Cities' Names | HackerRank In this challenge, you will query a list of all the Japanese cities' names. www.hackerrank.com 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: Solution SELECT NAME FROM CITY WHERE countrycode = 'JPN'

Japanese Cities' Attributes 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: Japanese Cities' Attributes | HackerRank Query the attributes of all the cities in Japan. www.hackerrank.com Solution SELECT * FROM CITY WHERE countrycode = 'JPN'

Select By ID Problem Select By ID | HackerRank Query the details of the city with ID 1661. www.hackerrank.com - Solution SELECT * FROM City WHERE Id=1661