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NEW QUESTION: 1
Which two steps must be completed to enable client-side data deduplication? (Choose two.)
A. The Deduplication ON option needs to be added to the dsm.opt or dsm.sysfile.
B. Deduplication for selected files must be specified on the include option in the client option file
C. The storage pool destination must be enabled for deduplication and have device type of File.
D. The server must allow client deduplication for the node.
E. The file must be smaller than 2K.
Answer: C,D
NEW QUESTION: 2
Examine this SELECT statement and view the Exhibit to see its output:
SELECT constraints_name, constraints_type, search_condition, r_constraints_name, delete_rule, status, FROM user_constraints WHERE table_name = 'ORDERS';
Which two statements are true about the output? (Choose two.)
A. The STATUS column indicates whether the table is currently in use.
B. In the second column, 'c' indicates a check constraint.
C. The R_CONSTRAINT_NAME column contains an alternative name for the constraint.
D. The DELETE_RULE column indicates the desired state of related rows in the child table when the corresponding row is deleted from the parent table.
Answer: B,D
NEW QUESTION: 3
Your production database is functional on the SHOST1 host. You are backing up the production database by using Recovery Manager (RMAN) with the recovery catalog. You want to replicate the production database to anther host, SHOST2, for testing new applications.
After you ensured that the backups of the target database are accessible on the new host, what must you do to restore and recover the backup for the test environment?
A. Restoring the control file from the backup by using the NOCATALOG option to restore, and recovering the data files
B. Restoring the data files by using the NOCATALOG option and using the SET NEWNAME command to change the location
C. Restoring the server parameter file from the backup by using the recovery catalog to restore
D. Restoring the data files from the backup by using the recovery catalog to recover the files, and using the SWITCH command to change the location.
Answer: A
Explanation:
Explanation/Reference:
Explanation:
To restore the database on a new host:
1
2
3
. Ensure that the backups of the target database are accessible on the new host.
. Configure the ORACLE_SID on hostb.
. Start RMAN on hostb and connect to the target database without connecting to the recovery catalog.
For example, enter the following command:
rman NOCATALOG
%
RMAN> CONNECT TARGET
/
4. Set the DBID and start the database instance without mounting the database.
For example, run SET DBID to set the DBID, then run STARTUP NOMOUNT:
SET DBID 1340752057;
STARTUP NOMOUNT
RMAN fails to find the server parameter file, which has not yet been restored, but starts the instance with a
"
dummy" file. Sample output follows:
startup failed: ORA-01078: failure in processing system parameters
LRM-00109: could not open parameter file '/net/hostb/oracle/dbs/inittrgta.ora' trying to start the Oracle instance without parameter files ...
Oracle instance started
5. Restore and edit the server parameter file.
Allocate a channel to the media manager, then restore the server parameter file as a client-side parameter file and use the SET command to indicate the location of the autobackup (in this example, the autobackup is in /tmp):
RUN
{
ALLOCATE CHANNEL c1 DEVICE TYPE sbt PARMS '...';
SET CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '/tmp/%F';
RESTORE SPFILE
TO PFILE '?/oradata/test/inittrgta.ora'
FROM AUTOBACKUP;
SHUTDOWN ABORT;
}
6. Edit the restored initialization parameter file.
Change any location-specific parameters, for example, those ending in _DEST, to reflect the new directory structure. For example, edit the following parameters:
-
-
-
IFILE
LOG_ARCHIVE_DEST_1
CONTROL_FILES
7. Restart the instance with the edited initialization parameter file.
For example, enter the following command:
STARTUP FORCE NOMOUNT PFILE='?/oradata/test/inittrgta.ora';
8. Restore the control file from an autobackup and then mount the database.
For example, enter the following command:
RUN
{
ALLOCATE CHANNEL c1 DEVICE TYPE sbt PARMS '...';
RESTORE CONTROLFILE FROM AUTOBACKUP;
ALTER DATABASE MOUNT;
}
RMAN restores the control file to whatever locations you specified in the CONTROL_FILES initialization parameter.
9. Catalog the data file copies that you copied in "Restoring Disk Backups to a New Host", using their new file names or CATALOG START WITH (if you know all the files are in directories with a common prefix easily addressed with a CATALOG START WITH command). For example, run:
CATALOG START WITH '/oracle/oradata/trgt/';
If you want to specify files individually, then you can execute a CATALOG command as follows:
CATALOG DATAFILECOPY
'
'
'
'
/oracle/oradata/trgt/system01.dbf', '/oracle/oradata/trgt/undotbs01.dbf',
/oracle/oradata/trgt/cwmlite01.dbf', '/oracle/oradata/trgt/drsys01.dbf',
/oracle/oradata/trgt/example01.dbf', '/oracle/oradata/trgt/indx01.dbf',
/oracle/oradata/trgt/tools01.dbf', '/oracle/oradata/trgt/users01.dbf';
10. Start a SQL*Plus session on the new database and query the database file names recorded in the control file.
Because the control file is from the trgta database, the recorded file names use the original hosta file names. You can query V$ views to obtain this information. Run the following query in SQL*Plus:
COLUMN NAME FORMAT a60
SPOOL LOG '/tmp/db_filenames.out'
SELECT FILE# AS "File/Grp#", NAME
FROM V$DATAFILE
UNION
SELECT GROUP#,MEMBER
FROM V$LOGFILE;
SPOOL OFF
EXIT
11. Write the RMAN restore and recovery script. The script must include the following steps:
a. For each data file on the destination host that is restored to a different path than it had on the source host, use a SET NEWNAME command to specify the new path on the destination host. If the file systems on the destination system are set up to have the same paths as the source host, then do not use SET NEWNAME for those files restored to the same path as on the source host.
b. For each online redo log that is to be created at a different location than it had on the source host, use SQL ALTER DATABASE RENAME FILE commands to specify the path name on the destination host. If the file systems on the destination system are set up to have the same paths as the source host, then do not use ALTER DATABASE RENAME FILE for those files restored to the same path as on the source host.
c. Perform a SET UNTIL operation to limit recovery to the end of the archived redo logs. The recovery stops with an error if no SET UNTIL command is specified.
d. Restore and recover the database.
e. Run the SWITCH DATAFILE ALL command so that the control file recognizes the new path names as the official new names of the data files.
Example 20-3 shows the RMAN script reco_test.rman that can perform the restore and recovery operation.
Example 20-3 Restoring a Database on a New Host:
RUN
{
#
allocate a channel to the tape device
ALLOCATE CHANNEL c1 DEVICE TYPE sbt PARMS '...';
rename the data files and online redo logs
#
SET NEWNAME FOR DATAFILE 1 TO '?/oradata/test/system01.dbf';
SET NEWNAME FOR DATAFILE 2 TO '?/oradata/test/undotbs01.dbf';
SET NEWNAME FOR DATAFILE 3 TO '?/oradata/test/cwmlite01.dbf';
SET NEWNAME FOR DATAFILE 4 TO '?/oradata/test/drsys01.dbf';
SET NEWNAME FOR DATAFILE 5 TO '?/oradata/test/example01.dbf';
SET NEWNAME FOR DATAFILE 6 TO '?/oradata/test/indx01.dbf';
SET NEWNAME FOR DATAFILE 7 TO '?/oradata/test/tools01.dbf';
SET NEWNAME FOR DATAFILE 8 TO '?/oradata/test/users01.dbf';
SQL "ALTER DATABASE RENAME FILE ''/dev3/oracle/dbs/redo01.log''
TO ''?/oradata/test/redo01.log'' ";
SQL "ALTER DATABASE RENAME FILE ''/dev3/oracle/dbs/redo02.log''
TO ''?/oradata/test/redo02.log'' ";
#
Do a SET UNTIL to prevent recovery of the online logs
SET UNTIL SCN 123456;
restore the database and switch the data file names
#
RESTORE DATABASE;
SWITCH DATAFILE ALL;
#
recover the database
RECOVER DATABASE;
}
EXIT
1
2. Execute the script created in the previous step.
For example, start RMAN to connect to the target database and run the @ command:
rman TARGET / NOCATALOG
RMAN> @reco_test.rman
3. Open the restored database with the RESETLOGS option.
%
1
From the RMAN prompt, open the database with the RESETLOGS option:
ALTER DATABASE OPEN RESETLOGS;
Caution:
When you re-open your database in the next step, do not connect to the recovery catalog. Otherwise, the new database incarnation created is registered automatically in the recovery catalog, and the file names of the production database are replaced by the new file names specified in the script.
14. Optionally, delete the test database with all of its files.
Note:
If you used an ASM disk group, then the DROP DATABASE command is the only way to safely remove the files of the test database. If you restored to non-ASM storage then you can also use operating system commands to remove the database.
Use the DROP DATABASE command to delete all files associated with the database automatically. The following example deletes the database files:
STARTUP FORCE NOMOUNT PFILE='?/oradata/test/inittrgta.ora';
DROP DATABASE;
Because you did not perform the restore and recovery operation when connected to the recovery catalog, the recovery catalog contains no records for any of the restored files or the procedures performed during the test. Likewise, the control file of the trgta database is completely unaffected by the test.
NEW QUESTION: 4
Eine vierteljährliche Überprüfung wird auf dem Konto eines Privatkunden bei einer Bank in einem Land mit Schwellenwerten für die Währungsberichterstattung durchgeführt. Es wurde eine Reihe großer Einlagen von Finanzinstrumenten bei anderen Instituten in Beträgen unter Schwellenwerten festgestellt. Diese Aktivität passte nicht zum historischen Profil des Kontos. Ein verdächtiger Transaktionsbericht wird höchstwahrscheinlich abgelegt, wenn welche der folgenden Situationen ebenfalls aufgetreten ist?
A. Die hinterlegten Finanzinstrumente wurden fortlaufend nummeriert.
B. Der Kunde hat dreimal Finanzinstrumente gekauft, die den Schwellenwert überschreiten.
C. In diesem Zeitraum wurden vier Einzahlungen getätigt, die die Schwellenwerte überschritten.
D. Der Kunde hat einen großen Kredit bei der Bank in Verzug gebracht.
Answer: A