Hacker Rank SQL

Weather Observation Station 16 Solution

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Also Visit:  Weather Observation Station 15 Solution


 

Problem

Query the smallest Northern Latitude (LAT_N) from STATION that is greater than 38.7780. Round your answer to 4 decimal places.

Input Format

The STATION table is described as follows:

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 16

MySQL Code
select round(min(lat_n), 4) 
from station where lat_n > 38.7780;

 


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.

 

 

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