Examine the statements that use flashback technologies: 1. FLASHBACK TABLE customers TO TIMESTAMP TO_TIMESTAMP (2013-02-04 09:30:00', YYYY-MM- DD HH:MI:SS'); 2. SELECT FROM customers AS OF SCN…

Examine the statements that use flashback technologies: 1. FLASHBACK TABLE customers TO TIMESTAMP TO_TIMESTAMP (2013-02-04 09:30:00', YYYY-MM- DD HH:MI:SS'); 2. SELECT * FROM customers AS OF SCN 123456; 3. FLASHBACK TABLE customers TO BEFORE DROP; 4. FLASHBACK DATABASE TO TIMESTAMP TO_TIMESTAMP (2013-02-04 09:30:00', YYYY- MM-DD HH:MI:SS'); 5. SELECT * FROM customers VERSIONS BETWEEN SCN 123456 AND 123999; 6. ALTER TABLE customers FLASHBACK ARCHIVE; Which set of statements depends on the availability of relevant undo data in the undo tablespace? (Choose the best answer.)