SQL> create tablespace rman_cat datafile 'C:\oracle\product\10.2.0\oradata\cat\rman_cat01.DBF' SIZE 100M;

 Tablespace created.

 

SQL> create user munna

           identified by munna

          default tablespace rman_cat

          temporary tablespace temp;

 User created.

 

SQL> grant connect,resource,recovery_catalog_owner to munna;

 Grant succeeded.

  

RMAN> connect catalog munna/munna@cat

 connected to recovery catalog database

 

RMAN> create catalog tablespace rman_cat

 recovery catalog created

 

C:\>rman target sys/sys@dba20 catalog munna/munna@cat

 Recovery Manager: Release 10.2.0.1.0 - Production on Mon Jul 12 16:08:21 2010

 Copyright (c) 1982, 2005, Oracle.  All rights reserved.

 connected to target database: DBA20 (DBID=847839442)

connected to recovery catalog database

 

RMAN> run

 {

  allocate channel c1 type disk;

  allocate channel c2 type disk;

  backup database;

 }

 

RMAN> report schema;

 

RMAN> resync catalog;

 starting full resync of recovery catalog

full resync complete

 

If any physical structure changes in target database then this command required for resynchronization.

 

RMAN> reset database;

 database incarnation already registered

 

This command required only when incomplete recovery occurred in target database.

 

SQL> shutdown immediate;

Database closed.

Database dismounted.

Delete some Datafile

 

SQL> startup;

ORACLE instance started.

Total System Global Area  167772160 bytes

Fixed Size                  1247876 bytes

Variable Size              75498876 bytes

Database Buffers           83886080 bytes

Redo Buffers                7139328 bytes

Database mounted.

ORA-01157: cannot identify/lock data file 1 - see DBWR trace file

ORA-01110: data file 1: 'C:\ORACLE\PRODUCT\10.2.0\ORADATA\DBA20\SYSTEM01.DBF'

 

C:\>rman target sys/sys@dba20 catalog munna/munna@cat

RMAN> run

{

allocate channel c1 type disk;

allocate channel c2 type disk;

restore database;

recover database;

}

 

SQL> alter database open;

Database altered.