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【071考试】最新OCP认证071考试题库整理-第58题

【071考试】最新OCP认证071考试题库整理-第58题

来源:CUUG培训-优技培训    更新时间:2019/6/5 15:10:09    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58题、choose the best answer:

Examine the structure of the BOORSTRANSACTIONS table:

Examine the SQL statement:

SQL> SELECT FROM books_transactions WHERE borrowed_date

MEMBER_ID IN ('A101', 'A102');

Which statement is true about the outcome?

A) It displays details only for members who have borrowed before today with RM as TRANSACTION_TYPE.

B) It displays details for members who have borrowed before today's date with either RM as TRANSACTION_TYPE or MEMBER_ID as A101 and A102.

C) It displays details for members who have borrowed before today with RM as TRANSACTION_TYPE and the details for members A101 or A102.

D) It displays details for only members A101 and A102 who have borrowed before today with RM as TRANSACTION_TYPE.

Answer:C

(解析:该题的核心是考查大家对 and 与 or 两个逻辑操作符同时存在时的优先级顺序。其优先级顺序依次是: 所有比较操作符、 NO 、 AND 、 OR)

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