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Introduction
Function COUNT
Function AVG
Functions SUM, MAX, MIN
26. Function SUM
Review

## Instruction

Amazing. Another function we'll take a look at is SUM. As you know, SUM finds the sum from all the values. NULL values are ignored: they are not added to the sum.

SELECT SUM(price)
FROM project;

The above query will find the total revenue of the translation agency.

## Exercise

Find the total number of words translated in all the projects. Name the column sum.