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