Oracle OCP 19c 認證1Z0-083考試題庫(第8題)-CUUG整理ide
八、Examine the statements that use flashback technologies:spa
FLASHBACK TABLE customers TO TIMESTAMP TO_TIMESTAMP('2013-02-04 09:30:00', 'YYYY-MM-DD HH:MI:SS');flash
SELECT * FROM customers AS OF SCN 123456;it
FLASHBACK TABLE customers TO BEFORE DROP;table
FLASHBACK DATABASE TO TIMESTAMP TO_TIMESTAMP('2013-02-04 09:30:00', 'YYYY-MM-DD HH:MI:SS');class
SELECT * FROM customers VERSIONS BETWEEN SCN 123456 AND 123999;tab
Which set of statements depends on the availability of relevant undo data in the undo tablespace?di
A) 1,3,6view
B) 1,2,5vi
C) 3,4,5
D) 2,3,5,6