【2019年8月版本】Oracle OCP認證 071考試原題-57
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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-57-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
Examine the description of the BOOKS table:
Name Null? Type
-------------------------------------------------------------
TRANSACTION_ID NOT NULL VARCHAR2(6)
TRANSACTION_ DATE DATE
AMOUNT NUMBER(10,2)
CUSTOMER_ID VARCHAR2(6)
The table has 100 rows
Examine this sequence of statements issued in a new session:
INSERT INTO books VALUES ('ADV12','Adventures of Tom Sawyer',NULL,NULL);
SAVEPOINT a;
DELETE FROM books;
ROLLBACK TO SAVEPOINT a;
ROLLBACK;
Which two statements are true?
A) The first ROLLBACK command restores the 101 rows that were deleted and commits the inserted row.
B) The first ROLLBACK command restores the 101 rows that were deleted ,leaving the inserted row still to be commited.
C) The second ROLLBACK command does nothing.
D) the second ROLLBACK undoes the insert.
E) The second ROLLBACK command replays the delete.
Answer:BD
(解析:這道題注意回滾的范圍。)