Free Access Oracle.1z0-071.v2022-08-30.q239 Practice Test (Page 13)

Question 56

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

The BOOKS table contains details of 100 books.
Examine the commands executed and their outcome:

Which statement is true?

A.The first rollback restores the 100 rows that were deleted and the second rollback commits only the changes.

B.The first rollback restores the 101 rows that were deleted and the second rollback causes the row was inserted to be deleted and commits the changes.

C.Both ROLLBACK commands restore the 101 rows that were deleted.

D.Both ROLLBACK commands restore the 100 rows that were deleted.

Question 57

Which statement is true about Enterprise Manager (EM) express in Oracle Database 12c?

A.By default, EM express is available for a database after database creation.

B.You can perform basic administrative tasks for pluggable databases by using the EM express interface.

C.You can use EM express to manage multiple databases running on the same server.

D.You cannot start up or shut down a database Instance by using EM express.

E.You can create and configure pluggable databases by using EM express.

Question 58

Examine the structure of the BOOKS_TRANSACTIONStable.

You want to update this table such that BOOK_IDis set to 'INVALID'for all rows where no MEMBER_ID has been entered.
Examine this partial SQL statement:

Which condition must be used in the WHEREclause to perform the required update?

A.MEMBER_ID = "";

B.MEMBER_ID = NULL;

C.MEMBER_ID IS NULL;

D.MEMBER_ID = '';

Question 59

Examine the structure of the MEMBERS table.

Which query can be used to display the last names and city names only for members from the states MO and MI?

A.SELECT last_name, city FROM members WHERE state ='MO' AND state ='MI';

B.SELECT last_name, city FROM members WHERE state IN ('MO', 'MI');

C.SELECT DISTINCT last_name, city FROM members WHERE state ='MO' OR state ='MI';

D.SELECT last_name, city FROM members WHERE state LIKE 'M%';

Question 60

View the Exhibits and examine the structure of the costs and promotions tables.
You want to display prod_ids whose promotion cost is less than the highest cost PR0D_ID in a promotion time interval.
Examine this SQL statement:

What will be the result?

A.It gives an error because the ROUP BY clause is not valid.

B.It executes successfully but does not give the required result.

C.It gives an error because the all keyword is not valid.

D.It executes successfully and gives the required result.

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Question 56

Question 57

Question 58

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Question 60

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