Revising Aggregations – Averages – Hacker Rank Solution

Revising Aggregations - Averages - Hacker Rank Solution
Revising Aggregations – Averages – Hacker Rank Solution

Problem

Query the average population of all cities in CITY where District is California.

Input Format

The CITY table is described as follows:

 1449729804 f21d187d0f CITY



Revising Aggregations Averages sql – Hacker Rank Solution

select avg(POPULATION) from CITY WHERE DISTRICT = 'California';

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