OCP认证是Oracle非常重要的一个认证,对于11g版本来说,考试科目为071、052、053,对于12c版本来说,考试科目为071、062、063,可见071是个很重要的考试,这里我们收集了近期071考试的原题,分享给大家。
--------------------------------------------
071考题整理-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
-----------------------------------------------
OCP解析公开课时间:【每周五晚8点】
OCP解析公开课地址:https://ke.qq.com/course/326223
OCP解析群资料分享:1015267481 验证:ocp
另外,除了OCP公开课,OCM题库直播也同步进行中,OCM最新题库大爆料-【每周四晚8点】,【微信群直播】,可以联系咨询老师进群参与