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Question ID 22082

You want to create a guaranteed restore point for your database by executing the command:
SQL> CREATE RESTORE POINT dbrsp1 GUARANTEE FLASHBACK DATABASE;
Identify two prerequisites for the successful execution of this command.

Option A

The database must be running in archivelog mode.

Option B

Flashback Database must be enabled.

Option C

Fast Recovery Area must be enabled.

Option D

The recyclebin must be enabled for the database.

Option E

Undo retention guarantee must be enabled.

Option F

A database backup must be taken.

Correct Answer A,C
Explanation Reference: http://docs.oracle.com/cd/B19306_01/backup.102/b14192/rpfbdb002.htm


Question ID 22083

Your database has a table customers that contains the columns cust_name, amt_due, and old_status.
Examine the commands executed and their output:
SQL>UPDATEcustomersSETamt_due=amt_due+amt_due*l. 1WHEREcust_name='JAMES'; 1row updated.
SQL> ALTER TABLE customers DROP COLUMN old_status;
Table Altered
SQL> UPDATE customers SET amt_due=amt_due+amt_due*1.5 WHERE cust_r.ame='JAMES';
1 row updated.
SQL> COMMIT;

SQL> SELECT versions_xid AS XID, versior.s_startscr. AS START_SCN, versions_er.cscn AS END_SCN, versior.s_operatior. AS OPERATION', amt_due FROM
customers VERSIONS BETWEEN SCN MINVALULEAND MAXVALUE
WHERE custname='JAMES';.
XIDSTART_SCNEND_SCNOPERATIONAMT_DUE
-------------------------- ----------------------- ------------------- ------------------- ------------------------ 07002f00cl03000017063371706337 U3300
Why is it that only one update is listed by the Flashback Version Query?

Option A

Supplemental logging is not enabled for the database.

Option B

The undo data that existed for versions of rows before the change to the table structure is invalidated.

Option C

The db_flash3ACK_reteni:on_target parameter is set to a lower value and the undo data pertaining to the first transaction is flushed out.

Option D

Undo retention guarantee is not enabled.

Option E

Flashback Data Archive is full after the first update statement.

Correct Answer C
Explanation

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