【2019年8月版本】Oracle OCP认证 071考试原题-39
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我要咨询【2019年8月版本】OCP 071认证考试最新版本的考试原题-39-CUUG整理
OCP的071考试,在8月份左右全部换了新题,近期考试的题也全部不包括之前的题库了,这次Oracle更新071考试题库,虽然全都是新题,但跟之前的相比也有关联,比如把之前的考题稍微变换一下数字、更新一下日期、或者再加一个错误选项等等。
对于2019年8月份的更新,我们CUUG已经进行了收集整理,并给出初步的答案和讲解,仅供参考,希望对考OCP 071认证的同学有帮助。
Choose two
Exanine the desatption of the BOOKS_TRANSACTIONS table
Name Null? Type
----------------------------------------------------------------------------------------------
TRANSACTION_ID NOT NULL VARCHAR2(6)
TRANSACTION_TYPE VARCHAR2(3)
BORROWED_DATE DATE
BOOK_ID ARCHAR2(6)
MEMBER_ID VARCHAR2(6)
Examine this partial SQL statement:
SELECT * FROM books_transctions;
Which two WHERE condtions give the same resut?
A) WHERE borrowed_date = SYSDATE AND (transaction_type= 'RM' OR member_id IN
('A101','A102' ) );
B) WHERE borrowed_date = SYSDATE AND transaction_type= 'RM' OR member_id IN
('A101','A102' ) ;
C) WHERE borrowed_date = SYSDATE AND (transaction_type= 'RM' AND member_id='A101' OR
member_id = 'A102') );
D) WHERE (borrowed_date = SYSDATE AND transaction_type= 'RM' ) OR member_id IN
('A101','A102' );
E) WHERE borrowed_date = SYSDATE AND (transaction_type= 'RM' AND ( member_id= 'A101' OR
member_id = 'A102' ) );
Answer::BD
(解析:考的是 and 和 or 的优先级。)