Hello coders, today we are going to solve Weather Observation Station 12 HackerRank Solution in SQL.

Problem
Query the list of CITY names from STATION that do not start with vowels and do not end with vowels. 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 12 in SQL
MySQL
select distinct city from station where not (city like 'A%' or city like 'E%' or city like 'I%' or city like 'O%' or city like 'U%') and not (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 12) is generated by Hacker Rank but the Solution is Provided by CodingBroz. This tutorial is only for Educational and Learning Purpose.