Question 1

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 2

View the Exhibit and examine the description of the tables.

You execute this SQL statement:

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Which three statements are true?

Options :

A : The statement will fall if a row already exists in the sales table for product 23.

B : The sales table has five foreign keys.

C : A product can have a different unit price at different times.

D : A customer can exist in many countries.

E : The statement will execute successfully and a new row will be inserted into the sales table.

F : The statement will fail because a subquery may not be contained in a values clause.

Answer: A,B,C

Question 3

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 4

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

Question 5

Which two statements are true about Database Instances and Real Application Clusters (RAC)?

Options :

A : A RAC database can have one Instance.

B : A RAC database can have instances on separate servers.

C : Two RAC databases can share their instances.

D : A RAC database must have three or more Instances.

E : A RAC database must have two or more instances.

Answer: A,B

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