Hacker Rank SQL

Weather Observation Station 2 Solution

Hello Friends in this article i am gone to share Hacker Rank SQL Solutions with you | Weather Observation Station 2 Solution


Also Visit:ย  Top Earners Solution


 

Problem

Query the following two values from theย STATIONย table:

  1. The sum of all values inย LAT_Nย rounded to a scale ofย 2ย decimal places.
  2. The sum of all values inย LONG_Wย rounded to a scale ofย 2ย decimal places.

Input Format

Theย STATIONย table is described as follows:

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

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

Output Format

Your results must be in the form:

lat lon

whereย latย is the sum of all values inย LAT_Nย andย lonย is the sum of all values inย LONG_W. Both results must be rounded to a scale ofย 2ย decimal places.

 

Solution โ€“ Weather Observation Station 2

MySQL Code
select round(sum(lat_n), 2),
round(sum(long_w), 2) from station;

 


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.

 

 

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.