近两年来,OCP的考试题库频率变化,不断的增加新考题,071考试就是其中一个,给很多考071的考生造成困扰,对此,我们专门整理了OCP考试里关于071考试的原题,并带上答案,分享给大家。
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071题库汇总-第21题、choose the best answer
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 SQL statement would you execute to get the desired output?
A) SELECT first_name, salary, salary*12 + NVL(salary, 0)*commission_pct "Total"
FROM EMPLOYEES;
B) SELECT first_name, salary, salary*12+(salary*NVL2(commission_pct,
salary,salary+commission_pct)) "Total"
FROM EMPLOYEES;
C) SELECT first_name, salary, (salary + NVL(commission_pct,0)*salary)*12 "Total"
FROM EMPLOYEES;
D) SELECT first_name, salary, salary*12+salary*commission_pct "Total"
FROM EMPLOYEES;
Answer:A
(解析:题眼是“Only a few employees earn commission”,说明有人的佣金是 null,所
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