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change-database-name

I am trying to change the name of database orcl123.
SQL> alter database backup controlfile to trace;

Database altered.

SQL> show parameter user_dump_dest;

NAME                                 TYPE        VALUE                          
------------------------------------ ----------- ------------------------------
user_dump_dest                       string      c:\app\mathew\diag\rdbms\compa
                                                 ny\company\trace              

0
nobleit
Asked:
nobleit
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1 Solution
 
nobleitAuthor Commented:
Any experts please help me to continue next step..
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slightwv (䄆 Netminder) Commented:
Check out the dbnewid command in the docs.  It should walk you through the steps.

There are a lot of links out there that walk you through the steps.
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Amitkumar PSr. ConsultantCommented:
Follow the steps given in the below link.

http://www.adp-gmbh.ch/ora/admin/rename_db.html
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nobleitAuthor Commented:
I tried to change the name of database..
I request your further step

This is what I did..
SQL> select name from v$database;

NAME                                                                            
---------                                                                      
COMPANY                                                                        

Elapsed: 00:00:00.00
SQL> alter system switch logfile;

System altered.

Elapsed: 00:00:00.07
SQL> alter database backup controlfile to trace;

Database altered.

Elapsed: 00:00:00.20
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> connect /as sysdba
Connected to an idle instance.
SQL> startup nomount;
ORACLE instance started.




"====This is the trace file=============="
Trace file c:\app\mathew\diag\rdbms\company\company\trace\company_ora_4984.trc
Oracle Database 11g Enterprise Edition Release 11.1.0.6.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
Windows XP Version V5.1 Service Pack 2
CPU                 : 2 - type 586
Process Affinity    : 0x00000000
Memory (Avail/Total): Ph:471M/1917M, Ph+PgF:2202M/3965M, VA:1301M/2047M
Instance name: company
Redo thread mounted by this instance: 1
Oracle process number: 18
Windows thread id: 4984, image: ORACLE.EXE (SHAD)


*** 2010-11-26 18:32:31.109
*** SESSION ID:(170.3) 2010-11-26 18:32:31.109
*** CLIENT ID:() 2010-11-26 18:32:31.109
*** SERVICE NAME:(SYS$USERS) 2010-11-26 18:32:31.109
*** MODULE NAME:(oradim.exe) 2010-11-26 18:32:31.109
*** ACTION NAME:() 2010-11-26 18:32:31.109
 
kwqmnich: current time::  2: 32: 30
kwqmnich: instance no 0 check_only flag 1
kwqmnich: initialized job cache structure
Trace file c:\app\mathew\diag\rdbms\company\company\trace\company_ora_4984.trc
Oracle Database 11g Enterprise Edition Release 11.1.0.6.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
Windows XP Version V5.1 Service Pack 2
CPU                 : 2 - type 586
Process Affinity    : 0x00000000
Memory (Avail/Total): Ph:764M/1917M, Ph+PgF:2513M/3965M, VA:1277M/2047M
Instance name: company
Redo thread mounted by this instance: 1
Oracle process number: 18
Windows thread id: 4984, image: ORACLE.EXE (SHAD)


*** 2011-03-24 19:28:25.140
*** SESSION ID:(170.3) 2011-03-24 19:28:25.140
*** CLIENT ID:() 2011-03-24 19:28:25.140
*** SERVICE NAME:(SYS$USERS) 2011-03-24 19:28:25.140
*** MODULE NAME:(sqlplus.exe) 2011-03-24 19:28:25.140
*** ACTION NAME:() 2011-03-24 19:28:25.140
 
tkcrrsarc: (WARN) Failed to find ARCH for message (message:0x1)
tkcrrpa: (WARN) Failed initial attempt to send ARCH message (message:0x1)

*** 2011-03-24 19:28:30.015
kwqmnich: current time::  2: 28: 29
kwqmnich: instance no 0 check_only flag 1

*** 2011-03-24 19:28:30.468
kwqmnich: initialized job cache structure
*** MODULE NAME:(Oracle Enterprise Manager.pin EM plsql) 2011-03-24 19:32:27.000
*** ACTION NAME:(start) 2011-03-24 19:32:27.000
 

*** 2011-03-24 19:32:27.000
-- The following are current System-scope REDO Log Archival related
-- parameters and can be included in the database initialization file.
--
-- LOG_ARCHIVE_DEST=''
-- LOG_ARCHIVE_DUPLEX_DEST=''
--
-- LOG_ARCHIVE_FORMAT=ARC%S_%R.%T
--
-- DB_UNIQUE_NAME="company"
--
-- LOG_ARCHIVE_CONFIG='SEND, RECEIVE, NODG_CONFIG'
-- LOG_ARCHIVE_MAX_PROCESSES=4
-- STANDBY_FILE_MANAGEMENT=MANUAL
-- STANDBY_ARCHIVE_DEST=%ORACLE_HOME%\RDBMS
-- FAL_CLIENT=''
-- FAL_SERVER=''
--
-- LOG_ARCHIVE_DEST_10='LOCATION=USE_DB_RECOVERY_FILE_DEST'
-- LOG_ARCHIVE_DEST_10='OPTIONAL REOPEN=300 NODELAY'
-- LOG_ARCHIVE_DEST_10='ARCH NOAFFIRM NOEXPEDITE NOVERIFY SYNC'
-- LOG_ARCHIVE_DEST_10='REGISTER NOALTERNATE NODEPENDENCY'
-- LOG_ARCHIVE_DEST_10='NOMAX_FAILURE NOQUOTA_SIZE NOQUOTA_USED NODB_UNIQUE_NAME'
-- LOG_ARCHIVE_DEST_10='VALID_FOR=(PRIMARY_ROLE,ONLINE_LOGFILES)'
-- LOG_ARCHIVE_DEST_STATE_10=ENABLE
--
-- LOG_ARCHIVE_DEST_1='LOCATION=C:\app\Mathew\product\11.1.0\db_1\RDBMS'
-- LOG_ARCHIVE_DEST_1='MANDATORY NOREOPEN NODELAY'
-- LOG_ARCHIVE_DEST_1='ARCH NOAFFIRM EXPEDITE NOVERIFY SYNC'
-- LOG_ARCHIVE_DEST_1='NOREGISTER NOALTERNATE NODEPENDENCY'
-- LOG_ARCHIVE_DEST_1='NOMAX_FAILURE NOQUOTA_SIZE NOQUOTA_USED NODB_UNIQUE_NAME'
-- LOG_ARCHIVE_DEST_1='VALID_FOR=(PRIMARY_ROLE,ONLINE_LOGFILES)'
-- LOG_ARCHIVE_DEST_STATE_1=ENABLE
--
-- Below are two sets of SQL statements, each of which creates a new
-- control file and uses it to open the database. The first set opens
-- the database with the NORESETLOGS option and should be used only if
-- the current versions of all online logs are available. The second
-- set opens the database with the RESETLOGS option and should be used
-- if online logs are unavailable.
-- The appropriate set of statements can be copied from the trace into
-- a script file, edited as necessary, and executed when there is a
-- need to re-create the control file.
--
--     Set #1. NORESETLOGS case
--
-- The following commands will create a new control file and use it
-- to open the database.
-- Data used by Recovery Manager will be lost.
-- Additional logs may be required for media recovery of offline
-- Use this only if the current versions of all online logs are
-- available.
-- After mounting the created controlfile, the following SQL
-- statement will place the database in the appropriate
-- protection mode:
--  ALTER DATABASE SET STANDBY DATABASE TO MAXIMIZE PERFORMANCE
STARTUP NOMOUNT
CREATE CONTROLFILE REUSE DATABASE "COMPANY" NORESETLOGS  ARCHIVELOG
    MAXLOGFILES 16
    MAXLOGMEMBERS 3
    MAXDATAFILES 100
    MAXINSTANCES 8
    MAXLOGHISTORY 292
LOGFILE
  GROUP 1 'C:\APP\MATHEW\ORADATA\COMPANY\REDO01.LOG'  SIZE 50M,
  GROUP 2 'C:\APP\MATHEW\ORADATA\COMPANY\REDO02.LOG'  SIZE 50M,
  GROUP 3 'C:\APP\MATHEW\ORADATA\COMPANY\REDO03.LOG'  SIZE 50M
-- STANDBY LOGFILE
DATAFILE
  'C:\APP\MATHEW\ORADATA\COMPANY\SYSTEM01.DBF',
  'C:\APP\MATHEW\ORADATA\COMPANY\SYSAUX01.DBF',
  'C:\APP\MATHEW\ORADATA\COMPANY\UNDOTBS01.DBF',
  'C:\APP\MATHEW\ORADATA\COMPANY\USERS01.DBF',
  'C:\APP\MATHEW\ORADATA\COMPANY\RMAN01.DBF'
CHARACTER SET WE8MSWIN1252
;
-- Commands to re-create incarnation table
-- Below log names MUST be changed to existing filenames on
-- disk. Any one log file from each branch can be used to
-- re-create incarnation records.
-- ALTER DATABASE REGISTER LOGFILE 'C:\APP\MATHEW\FLASH_RECOVERY_AREA\COMPANY\ARCHIVELOG\2011_03_24\O1_MF_1_1_%U_.ARC';
-- ALTER DATABASE REGISTER LOGFILE 'C:\APP\MATHEW\FLASH_RECOVERY_AREA\COMPANY\ARCHIVELOG\2011_03_24\O1_MF_1_1_%U_.ARC';
-- Recovery is required if any of the datafiles are restored backups,
-- or if the last shutdown was not normal or immediate.
RECOVER DATABASE
-- All logs need archiving and a log switch is needed.
ALTER SYSTEM ARCHIVE LOG ALL;
-- Database can now be opened normally.
ALTER DATABASE OPEN;
-- Commands to add tempfiles to temporary tablespaces.
-- Online tempfiles have complete space information.
-- Other tempfiles may require adjustment.
ALTER TABLESPACE TEMP ADD TEMPFILE 'C:\APP\MATHEW\ORADATA\COMPANY\TEMP01.DBF'
     SIZE 20971520  REUSE AUTOEXTEND ON NEXT 655360  MAXSIZE 32767M;
-- End of tempfile additions.
--
--     Set #2. RESETLOGS case
--
-- The following commands will create a new control file and use it
-- to open the database.
-- Data used by Recovery Manager will be lost.
-- The contents of online logs will be lost and all backups will
-- be invalidated. Use this only if online logs are damaged.
-- After mounting the created controlfile, the following SQL
-- statement will place the database in the appropriate
-- protection mode:
--  ALTER DATABASE SET STANDBY DATABASE TO MAXIMIZE PERFORMANCE
STARTUP NOMOUNT
CREATE CONTROLFILE REUSE DATABASE "COMPANY" RESETLOGS  ARCHIVELOG
    MAXLOGFILES 16
    MAXLOGMEMBERS 3
    MAXDATAFILES 100
    MAXINSTANCES 8
    MAXLOGHISTORY 292
LOGFILE
  GROUP 1 'C:\APP\MATHEW\ORADATA\COMPANY\REDO01.LOG'  SIZE 50M,
  GROUP 2 'C:\APP\MATHEW\ORADATA\COMPANY\REDO02.LOG'  SIZE 50M,
  GROUP 3 'C:\APP\MATHEW\ORADATA\COMPANY\REDO03.LOG'  SIZE 50M
-- STANDBY LOGFILE
DATAFILE
  'C:\APP\MATHEW\ORADATA\COMPANY\SYSTEM01.DBF',
  'C:\APP\MATHEW\ORADATA\COMPANY\SYSAUX01.DBF',
  'C:\APP\MATHEW\ORADATA\COMPANY\UNDOTBS01.DBF',
  'C:\APP\MATHEW\ORADATA\COMPANY\USERS01.DBF',
  'C:\APP\MATHEW\ORADATA\COMPANY\RMAN01.DBF'
CHARACTER SET WE8MSWIN1252
;
-- Commands to re-create incarnation table
-- Below log names MUST be changed to existing filenames on
-- disk. Any one log file from each branch can be used to
-- re-create incarnation records.
-- ALTER DATABASE REGISTER LOGFILE 'C:\APP\MATHEW\FLASH_RECOVERY_AREA\COMPANY\ARCHIVELOG\2011_03_24\O1_MF_1_1_%U_.ARC';
-- ALTER DATABASE REGISTER LOGFILE 'C:\APP\MATHEW\FLASH_RECOVERY_AREA\COMPANY\ARCHIVELOG\2011_03_24\O1_MF_1_1_%U_.ARC';
-- Recovery is required if any of the datafiles are restored backups,
-- or if the last shutdown was not normal or immediate.
RECOVER DATABASE USING BACKUP CONTROLFILE
-- Database can now be opened zeroing the online logs.
ALTER DATABASE OPEN RESETLOGS;
-- Commands to add tempfiles to temporary tablespaces.
-- Online tempfiles have complete space information.
-- Other tempfiles may require adjustment.
ALTER TABLESPACE TEMP ADD TEMPFILE 'C:\APP\MATHEW\ORADATA\COMPANY\TEMP01.DBF'
     SIZE 20971520  REUSE AUTOEXTEND ON NEXT 655360  MAXSIZE 32767M;
-- End of tempfile additions.
--
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slightwv (䄆 Netminder) Commented:
What next step?

The link provided by amit_n_panchal has the rest of the steps.  Just keep going?

...START HERE AND KEEP GOING
The instance needs to be shut down. SYSDBA privileges will be needed.
SQL> shutdown
Modify (and optionally rename) the created trace file:
...
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