Question 1

Which three statements are true about roles?

Options :

A : All roles granted to a user are set on by default when the user logs in,

B : Object privileges may not be granted to roles.

C : The SET ROLE statement can disable one or more roles for a session.

D : Roles must be password protected.

E : Roles may be granted to roles.

F : The SET ROLE statement can enable one or more roles for a session.

Answer: A,B,C

Question 2

Which three statements are true concerning logical and physical database structures? (Choose three.)

Options :

A : All tablespaces may have one or more data files

B : The extents of a segment must always reside in the same datafile

C : A smallfile tablespace might be bigger than a bigfile tablespace

D : A segment can span multiple data files in some tablespaces

E : A segment-s blocks can be of different sizes

F : A segment might have only one extent

G : Segments can span multiple tablespaces

Answer: A,B,C

Question 3

Examine the description of the BOOKS table:

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The table has 100 rows.

Examine this sequence of statements issued in a new session:

INSERT INTO books VALUES ('ADV112', 'Adventures of Tom Sawyer', NULL, NULL);

SAVEPOINT a;

DELETE FROM books;

ROLLBACK TO SAVEPOINT a;

ROLLBACK;

Which two statements are true? (Choose two.)

Options :

A : The second ROLLBACK command does nothing

B : The second ROLLBACK command replays the delete

C : The first ROLLBACK command restores the 101 rows that were deleted, leaving the inserted row still to be committed

D : The second ROLLBACK command undoes the insert

E : The first ROLLBACK command restores the 101 rows that were deleted and commits the inserted row

Answer: C,D

Question 4

Which two statements are true about single row functions? (Choose two.)

Options :

A : MOD : returns the quotient of a division operation

B : FLOOR : returns the smallest integer greater than or equal to a specified number

C : TRUNC : can be used with NUMBER and DATE values

D : CONCAT : can be used to combine any number of values

E : CEIL : can be used for positive and negative numbers

Answer: A,C

Question 5

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 PROD_ID in a promotion time interval.

Examine this SQL statement:

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Exhibit 1.

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Exhibit 2.

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What will be the result?

Options :

A : It gives an error because the ALL keyword is not valid

B : It gives an error because the GROUP BY clause is not valid

C : It executes successfully but does not give the required result

D : It executes successfully and gives the required result

Answer: D