Hacker Rank SQL

Weather Observation Station 5 Solution

Hello Friends in this article i am gone to share Hacker Rank SQL Solutions with you | Weather Observation Station 5 Solution


Also visit:ย  Weather Observation Station 4 Solution


 

Problem

Query the two cities inย STATIONย with the shortest and longestย CITYย names, as well as their respective lengths (i.e.: number of characters in the name). If there is more than one smallest or largest city, choose the one that comes first when ordered alphabetically.
Theย STATIONย table is described as follows:

STATION

Field Type
ID NUMBER
CITY VARCHAR2(21)
STATE VARCHAR2(2)
LAT_N NUMBER
LONG_W NUMBER

whereย LAT_Nย is the northern latitude andย LONG_Wย is the western longitude.

 

Sample Input

For example,ย CITYย has four entries:ย DEF, ABC, PQRSย andย WXY.

Sample Output

ABC 3
PQRS 4

Explanation

When ordered alphabetically, theย CITYย names are listed asย ABC, DEF, PQRS,ย andย WXY, with lengthsย 3, 3, 4ย andย 3. The longest name isย PQRS, but there areย 3ย options for shortest named city. Chooseย ABC, because it comes first alphabetically.

Note:

You can write two separate queries to get the desired output. It need not be a single query.

 

Solution โ€“ Weather Observation Station 5

MySQL Code
select city c, length(city) l from station 
order by l desc, c asc limit 1; 


select city c, length(city) l from station 
order by l asc, c asc limit 1;

 


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.

 

 

Disclaimer: The above Problems are generated by Hacker Rank but the Solutions are Provided by NYANDER.COM. All Hacker Rank SQL Solutions Shared only for Educational and Learning Purpose.