How to use Rman to retrieve an oracle tablespace that was accidentally deleted

First, the case description

After using Rman to back up the database, because the table space was accidentally deleted manually, it is now necessary to use the incomplete recovery to retrieve the tablespaces that were mistakenly deleted.

Ii. Environmental Preparedness

[ORACLE@ECP-UC-DB1 ~]$ Sqlplus/as SYSDBA

Sql*plus:release 10.2.0.4.0-production on Mon Nov 14 12:35:14 2011

Copyright (c) 1982, 2007, Oracle. All Rights Reserved.

Connected to:

Oracle Database 10g Enterprise Edition release 10.2.0.4.0-64bit Production

With the partitioning, OLAP, Data Mining and real application testing options

Sql> select name from V$tablespace;

NAME

------------------------------

SYSTEM

UNDOTBS1

Sysaux

USERS

Xff

ODU

TEMP

7 rows selected.

Sql> select name from V$datafile;

NAME

---------------------------------------------------------------

/opt/oracle/oradata/test/system01.dbf

/opt/oracle/oradata/test/undotbs01.dbf

/opt/oracle/oradata/test/sysaux01.dbf

/opt/oracle/oradata/test/users01.dbf

/opt/oracle/oradata/test/user32g.dbf

/opt/oracle/oradata/test/xifenfei01.dbf

/opt/oracle/oradata/test/user02.dbf

/opt/oracle/oradata/test/odu02.dbf

/opt/oracle/oradata/test/odu01.dbf

/opt/oracle/oradata/test/odu03.dbf

/opt/oracle/oradata/test/xifenfei02.dbf

Rows selected.

sql> Create tablespace Xifenfei datafile

2 '/opt/oracle/oradata/test/t_xifenfei01.dbf ' size 10m;

Tablespace created.

Sql> CREATE TABLE Chf.t_xifenfei tablespace Xifenfei

2 AS

3 SELECT * from Dba_objects;

Table created.

Sql> Select COUNT (*) from Chf.t_xifenfei;

COUNT (*)

----------

50476

Sql> exit

Disconnected from Oracle Database 10g Enterprise Edition release 10.2.0.4.0-64bit Production

With the partitioning, OLAP, Data Mining and real application testing options

[ORACLE@ECP-UC-DB1 ~]$ $ORACLE _home/bin/rman target/

Recovery manager:release 10.2.0.4.0-production on Mon Nov 14 12:43:35 2011

Copyright (c) 1982, 2007, Oracle. All rights reserved.

Connected to target Database:test (dbid=2056006906)

Rman> list Backup summary;

Using target database control file instead of recovery catalog

Rman> Backup Database format '/tmp/test_full_%u ';

Starting backup at 2011-11-14 12:44:32