Which aggregate function is used to calculate the average value of a numeric column?
Options
- A. SUM()
- B. AVG()
- C. MAX()
- D. More than one of the above
- E. None of the above
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Quiz Practice:
Correct Answer (Detailed Explanation is Below)
B. AVG()
Detailed Explanation
- AVG(): Calculates the arithmetic average of non-NULL numeric values.
- NULL values are ignored during the calculation.
- Example: SELECT AVG(salary) FROM employees;