Hello coders, today we are going to solve Weather Observation Station 8 HackerRank Solution in SQL.
Problem
Query the list of CITY names from STATION which have vowels (i.e., a, e, i, o, and u) as both their first and last characters. Your result cannot contain duplicates.
Input Format
The STATION table is described as follows:
STATION
Field | Type |
ID | NUMBER |
CITY | VARCHAR2(21) |
STATE | VARCHAR2(2) |
LAT_N | NUMBER |
LONG_W | NUMBER |
where LAT_N is the northern latitude and LONG_W is the western longitude.
Solution – Weather Observation Station 8 in SQL
MySQL
select distinct city from station where (city like 'a%' or city like 'e%' or city like 'i%' or city like 'o%' or city like 'u%') and ( city like '%a' or city like '%e' or city like '%i' or city like '%o' or city like '%u' )
Disclaimer: The above Problem (Weather Observation Station 8) is generated by Hacker Rank but the Solution is Provided by CodingBroz. This tutorial is only for Educational and Learning Purpose.
cab be done in this way as well:
select distinct(city) from station where (lower(right(city,1))) in(‘a’,’e’,’i’,’o’,’u’) and (substring(city,1,1)) in(‘a’,’e’,’i’,’o’,’u’);