【071考试题库】OCP-1Z0-071最新考试题库大全-第45题

来源：优技教育更新时间：2019/6/3 14:11:19 阅读次数：647

Oracle 12c的OCP考试考3科，分别是071、062、063，对于这些考题，我们专门有人负责收集整理，并由专业的老师对这些考题进行解析，希望可以帮助想考OCP的同学，这里开始介绍071的题库。

每周五晚8点，我们有免费的OCP解析公开课，地址：https://ke.qq.com/course/326223 OCP题库交流群：1015267481，验证ocp

-------------------------------------------------------

071考试题库-第45题、choose the best answer:

View the Exhibit and examine the data in the EMPLOYEES table.

You want to generate a report showing the total compensation paid to each employee to date(迄今为止支付给每位员工的总补偿).

You issue the following query:

SQL>SELECT ename ||' joined on '|| hiredate ||

', the total compensation paid is '||

TO_CHAR(ROUND(ROUND(SYSDATE-hiredate)/365) * sal + comm)

"COMPENSATION UNTIL DATE"

FROM employees;

What is the outcome?

A) It executes successfully and gives the correct output.

B) It generates an error because the usage of the ROUND function in the expression is not valid.

C) It generates an error because the concatenation operator can be used to combine only two items.

D) It generates an error because the alias is not valid.

E) It executes successfully but does not give the correct output.

Answer：E

(解析：因为 comm 列上有空值，所以会导致某些计算的结果为空)

ORACLE授权认证机构CUUG: CUUG与ORACLE合作15年，是ORACLE金牌合作伙伴，连续多年处于行业领先；; CUUG与工信部人才交流中心合作，是工信人才指定的PostgreSQL数据库培训合作伙伴；; CUUG与阿里云、腾讯云、人大金仓、奥星贝斯等众多数据库厂商合作，开设数据库认证与培训课程；; CUUG与企业合作提供人才输送、定制化培训、技术支持服务；

北京优技教育科技有限公司

联系电话：010-59426307

课程咨询：010-59426319

联系地址：海淀区紫竹院路88号

Oracle认证 OCP认证 OCM认证