Examine the description of the BOOKS table: (Exhibit) The table has 100 rows. Examine this sequence of

Examine the description of the BOOKS table:

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.)

A. The second ROLLBACK command replays the delete

B. The second ROLLBACK command undoes the insert

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

D. The first ROLLBACK command restores the 101 rows that were deleted and commits the inserted row

E. The second ROLLBACK command does nothing

Correct Answer: B,D