View the Exhibit and examine the description of the EMPLOYEES table.
You want to calculate the total remuneration for each employee. Total remuneration is
the sum of the annual salary and the percentage commission earned for a year. Only a
few employees earn commission.
Which SOL statement would you execute to get the desired output?
A.
SELECTfirst_name, salary, salary*12+salary*commission_pct “Total”
FROM EMPLOYEES;
B.
SELECTfirst_name, salary, salary*12+NVL((salary*commission_pct), 0) “Total”
FROM EMPLOYEES;
C.
SELECTfirst_name, salary, salary*12 + NVL(salary, O)*commission_pct “Total”
FROM EMPLOYEES;
D.
SELECTfirst_name, salary, salary*12+(salary*NVL2(commission_pct,
salary,salary+commission_pct))”Total”
FROM EMPLOYEES;