Respuesta :
- The avg() function could be used to find the average values of a numeric field.
- It accepts a field name as just an integer value and returns the value of that field.
- When using SELECT statements, the AVG() function calculates the average values of a numerical dataset returned by SELECT statements.
- It could be used to find the average of the field across several records.
- The Group by clause enables you to calculate the average of several different records in your database.
- That's why the final answer is "avg() function".
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