Understanding Flashback Technology - OCP: Oracle Database 12c Administrator Certified Professional - page 395

11. At the request of a user, you issue the following command to restore a dropped table:
flashback table "BIN$F2JFfMq8Q5unbC0ceE9eJg==$0" to
before drop;
Later, the user notifies you that the data in the table seems to be very old and out of
date. What might be the problem?
A. Because a proper range of SCNs was not specified, the wrong data was restored.
B. A proper range of timestamps was not specified, so the wrong data was restored.
C. A previous Flashback Drop operation had been performed, resulting in multiple
versions of the table being stored in the Recycle Bin.
D. Either option A or B could be correct. Not enough information was provided to
determine which.
E. None of the above
12. Which of the following statements is true regarding the VERSIONS BETWEEN clause?
A. The VERSIONS BETWEEN clause may be used in DML statements.
B. The VERSIONS BETWEEN clause may be used in DDL statements.
C. The VERSIONS BETWEEN clause may not be used to query past DDL changes to tables.
D. The VERSIONS BETWEEN clause may not be used to query past DML statements
to tables.
13. Which of the following statements is true regarding implementing a Flashback Table
recovery?
A. An SCN is never used to perform a Flashback Table recovery.
B. If a significant number of changes have been made to the table, row movement
must be enabled.
C. The tablespace must be offline before performing a Flashback Table recovery.
D. Flashback Table recovery is completely dependent on the availability of undo data
in the undo tablespace.
14. You have just performed a Flashback Table operation using the following command:
flashback table employees
to scn 123456;
The employees table has triggers associated with it. Which of the following statements
is true regarding the state of the triggers during the Flashback Table operation?
A. All of the triggers are disabled.
B. All of the triggers are enabled by default.
C. Enabled triggers remain enabled and disabled triggers remain disabled.
D. Triggers are deleted when a Flashback Table operation is performed.