Scripts: dbms_backup_restore modify dbid and db_name

Scripts:dbms_backup_restore_dbid

eg:

Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL> @dbid
Database closed.
Database dismounted.
ORACLE instance shut down.
ORACLE instance started.

Total System Global Area 2.0176E+10 bytes
Fixed Size		    2237048 bytes
Variable Size		 2483031432 bytes
Database Buffers	 1.7650E+10 bytes
Redo Buffers		   41488384 bytes
Database mounted.
Database opened.

PL/SQL procedure successfully completed.


OLD_NAME
--------------------------------------------------------------------------------
LOUIS

Enter the new Database Name:louisliu
Enter the new Database ID:100


PL/SQL procedure successfully completed.


PL/SQL procedure successfully completed.

Convert LOUIS(1153888553) to louisliu(100)

PL/SQL procedure successfully completed.

ControlFile:
=> Change Name:1
=> Change DBID:1
DataFile: /data/oracle/oradata/louis/system01.dbf
=> Skipped:0
=> Change Name:1
=> Change DBID:1
DataFile: /data/oracle/oradata/louis/sysaux01.dbf
=> Skipped:0
=> Change Name:1
=> Change DBID:1
DataFile: /data/oracle/oradata/louis/undotbs01.dbf
=> Skipped:0
=> Change Name:1
=> Change DBID:1
DataFile: /data/oracle/oradata/louis/users01.dbf
=> Skipped:0
=> Change Name:1
=> Change DBID:1
DataFile: /data/oracle/oradata/louis/temp01.dbf
=> Skipped:0
=> Change Name:1
=> Change DBID:1

PL/SQL procedure successfully completed.


[oracle@db-2-16 dbs]$ cat initlouis.ora | sed "s/db_name='louis'/db_name='louisliu'/" > initlouisliu.ora
[oracle@db-2-16 dbs]$ export ORACLE_SID=louisliu
[oracle@db-2-16 dbs]$ ora si 

SQL*Plus: Release 11.2.0.3.0 Production on Wed Dec 5 00:17:20 2012

Copyright (c) 1982, 2011, Oracle.  All rights reserved.

Connected to an idle instance.

SQL> startup
ORACLE instance started.

Total System Global Area 2.0176E+10 bytes
Fixed Size		    2237048 bytes
Variable Size		 2483031432 bytes
Database Buffers	 1.7650E+10 bytes
Redo Buffers		   41488384 bytes
Database mounted.
ORA-01589: must use RESETLOGS or NORESETLOGS option for database open


SQL> alter database openresetlogs;
alter database openresetlogs
                           *
ERROR at line 1:
ORA-02231: missing or invalid option to ALTER DATABASE


SQL> alter database open resetlogs;

Database altered.


SQL> select dbid ,name from v$database;

      DBID NAME
---------- ---------------------------
       100 louisliu

SQL> alter system switch logfile;

System altered.