나는 이렇게 학습한다/Algorithm & SQL

SQL Basics: Simple SUM

daco2020 2022. 5. 21. 10:07
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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)

 

 

Solution:

SELECT SUM(age) AS age_sum 
FROM people;

 

Result:

age_sum
5451

 

 

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