1. Change the current dbname from beijng to test:
SQL> show parameter name
db_file_name_convert string
db_name string beijing
db_unique_name string beijing
global_names boolean FALSE
instance_name string test
lock_name_space string
log_file_name_convert string
service_names string beijing
2. nid usage:
[oracle@milo dbs]$ nid
DBNEWID: Release 10.2.0.1.0 - Production on Sat Mar 19 20:56:15 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Keyword Description (Default)
----------------------------------------------------
TARGET Username/Password (NONE)
DBNAME New database name (NONE)
LOGFILE Output Log (NONE)
REVERT Revert failed change NO
SETNAME Set a new database name only NO
APPEND Append to output log NO
HELP Displays these messages NO
3. Shutdown the database and mount the database:
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup mount;
ORACLE instance started.
Total System Global Area 293601280 bytes
Fixed Size 1219016 bytes
Variable Size 234882616 bytes
Database Buffers 50331648 bytes
Redo Buffers 7168000 bytes
Database mounted.
4. Using nid to change the db_name
[oracle@milo dbs]$ nid target=sys/oracle dbname=test
DBNEWID: Release 10.2.0.1.0 - Production on Sat Mar 19 21:03:30 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to database BEIJING (DBID=3487842441)
Connected to server version 10.2.0
Control Files in database:
/u01/app/oracle/oradata/test/control01.ctl
Change database ID and database name BEIJING to TEST? (Y/[N]) => y
Proceeding with operation
Changing database ID from 3487842441 to 2044366754
Changing database name from BEIJING to TEST
Control File /u01/app/oracle/oradata/test/control01.ctl - modified
Datafile /u01/app/oracle/oradata/test/system01.dbf - dbid changed, wrote new name
Datafile /u01/app/oracle/oradata/test/undotbs01.dbf - dbid changed, wrote new name
Datafile /u01/app/oracle/oradata/test/sysaux01.dbf - dbid changed, wrote new name
Datafile /u01/app/oracle/oradata/test/users01.dbf - dbid changed, wrote new name
Datafile /u01/app/oracle/oradata/test/yy01.dbf - dbid changed, wrote new name
Datafile /u01/app/oracle/oradata/test/qq.dbf - dbid changed, wrote new name
Datafile /bk/temp01.dbf - dbid changed, wrote new name
Control File /u01/app/oracle/oradata/test/control01.ctl - dbid changed, wrote new name
Instance shut down
Database name changed to TEST.
Modify parameter file and generate a new password file before restarting.
Database ID for database TEST changed to 2044366754.
All previous backups and archived redo logs for this database are unusable.
Database is not aware of previous backups and archived logs in Recovery Area.
Database has been shutdown, open database with RESETLOGS option.
Succesfully changed database name and ID.
DBNEWID - Completed succesfully.
5. Modify your db_name and open your database with resetlogs mode:
[oracle@milo dbs]$ export ORACLE_SID=test
[oracle@milo dbs]$ vim inittest.ora
[oracle@milo dbs]$ grep db_name inittest.ora
db_name = 'test'
[oracle@milo dbs]$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.1.0 - Production on Sat Mar 19 21:06:14 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to an idle instance.
SQL> startup
ORACLE instance started.
Total System Global Area 293601280 bytes
Fixed Size 1219016 bytes
Variable Size 234882616 bytes
Database Buffers 50331648 bytes
Redo Buffers 7168000 bytes
Database mounted.
ORA-01589: must use RESETLOGS or NORESETLOGS option for database open
SQL> alter database open resetlogs;
Database altered.
SQL> show parameter name
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
db_file_name_convert string
db_name string test
db_unique_name string test
global_names boolean FALSE
instance_name string test
lock_name_space string
log_file_name_convert string
service_names string test
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