Hacker Rank SQL

Weather Observation Station 9 Solution

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Also visit:  Weather Observation Station 8 Solution


 

Problem

Query the list of CITY names from STATION that do not start 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 9

MySQL Code
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%');

 


Weather observations

Basic weather observation instruments include thermometers, rain gauges, barometers, and anemometers (wind speed meters).

What are the four types of weather observations?

There are four types of weather observations: surface, upper air, radar, and satellite.

What is weather observation stations?

A weather station is a facility, either on land or sea, with instruments and equipment for measuring atmospheric conditions to provide information for weather forecasts and to study the weather and climate.

Who observes weather?

A meteorologist is a physical scientist who observes, studies, or forecasts the weather.

How do you observe weather?

This is done by examining a large quantity of observation data including surface observations, satellite imagery, radar data, radiosonde data, upper-air data, wind profilers, aircraft observations, river gauges, and simply looking outside.

 

 

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