Q138 Examine the description of the BOOKS table
Q138 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 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
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