SQL-Basics-Simple-SUM.md

For this challenge you need to create a simple SUM statement that will sum all the ages.

people table schema

• id
• name
• age

select table schema

• age_sum (sum of ages)

NOTE: Your solution should use pure SQL. Ruby is used within the test cases to do the actual testing.

NOTE2: You need to use ALIAS for creating age_sum

-- Create your SELECT statement here

SELECT SUM(age) as age_sum FROM people