Examine the data in the EMPLOYEES table.
Which statement will compute the total annual compensation for each employee?
A. SELECT last_name, (monthly_salary * 12) + (monthly_salary * 12 * monthly_commission_pct) AS annual_comp
FROM employees;
B. SELECT last_name, (monthly_salary + monthly_commission_pct) * 12 AS annual_comp FROM employees;
C. SELECT last_name, (monthly_salary * 12) + (monthly_commission_pct * 12) AS annual_comp FROM employees;
D. SELECT last_name, (monthly_salary * 12) + (monthly_salary * 12 * NVL (monthly_commission_pct, 0)) AS annual_comp
FROM employees;
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D
D
Correct answer is D because any arithmetic operation with NULL will NULL which is unknown and so it recommended to use NVL functions
D
D
Any arithmetic operation with NULL will be NULL. Correct answer is D