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【071考试】最新OCP认证071考试题库整理-第22题

【071考试】最新OCP认证071考试题库整理-第22题

来源:CUUG培训-优技培训    更新时间:2019/5/23 9:33:04    阅读次数:

071考试题库之前是比较稳定的,但随着Oracle的调整,071考试不断的增加新的考题,增加了考试的难度,所以我们专门收集整理了这些考试,并对这些考题进行解析,希望可以对考生有帮助。

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

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071考试-第22题、choose the best answer:

View the Exhibit and examine the structure of the CUSTOMERS table.

CUSTOMER_VU is a view based on CUSTOMERS_BR1 table which has the same structure as CUSTOMERS table.

CUSTOMERS needs to be updated to reflect the latest information about the customers.

What is the error in the following MERGE statement?

MERGE INTO customers c

USING customer_vu cv

ON (c.customer_id = cv.customer_id)

WHEN MATCHED THEN

UPDATE SET

c.customer_id = cv.customer_id,

c.cust_name = cv.cust_name,

c.cust_email = cv.cust_email,

c.income_level = cv.income_level

WHEN NOT MATCHED THEN

INSERT VALUES(cv.customer_id,cv.cust_name,cv.cust_email,cv.income_level)

WHERE cv.income_level >100000;

A) The INTO clause is misplaced in the command.

B) The WHERE clause cannot be used with INSERT.

C) CUSTOMER_VU cannot be used as a data source.

D) The CUSTOMER_ID column cannot be updated.

Answer:D

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