【2019年8月版本】Oracle OCP認證 071考試原題-39
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我要咨詢【2019年8月版本】OCP 071認證考試最新版本的考試原題-39-CUUG整理
OCP的071考試,在8月份左右全部換了新題,近期考試的題也全部不包括之前的題庫了,這次oracle更新071考試題庫,雖然全都是新題,但跟之前的相比也有關聯,比如把之前的考題稍微變換一下數字、更新一下日期、或者再加一個錯誤選項等等。
對于2019年8月份的更新,我們CUUG已經進行了收集整理,并給出初步的答案和講解,僅供參考,希望對考OCP 071認證的同學有幫助。
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 的優先級。)