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What is MySQL AVG() Function Explained about?

The document discusses using SQL aggregate functions like SUM and AVG to calculate totals and averages from columns in a database table. It provides examples of finding the total salary and perks for employees, calculating a sum and average, and using arithmetic expressions in SELECT statements. The questions at the end ask about using these functions to calculate things like the sum of ages, total years of service, and the percentage that perks are of total salary.

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