------- 修改数据库db_name的方法
SQL> startup mount
ORACLE instance started.
Total System Global Area 413372416 bytes
Fixed Size 2213896 bytes
Variable Size 335546360 bytes
Database Buffers 71303168 bytes
Redo Buffers 4308992 bytes
Database mounted.
SQL> quit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining,
Oracle Database Vault and Real Application Testing options
[oracle@OEL6 dbs]$ nid target=sys/yuanlei@orcl2 dbname=orcl
DBNEWID: Release 11.2.0.1.0 - Production on Tue Aug 19 22:22:39 2014
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
Connected to database ORCL2 (DBID=836865814)
Connected to server version 11.2.0
Control Files in database:
/u01/app/oracle/oradata/orcl2/control01.ctl
/u01/app/oracle/oradata/orcl2/control02.ctl
Change database ID and database name ORCL2 to ORCL? (Y/[N]) => y
Proceeding with operation
Changing database ID from 836865814 to 1383851439
Changing database name from ORCL2 to ORCL
Control File /u01/app/oracle/oradata/orcl2/control01.ctl - modified
Control File /u01/app/oracle/oradata/orcl2/control02.ctl - modified
Datafile /u01/app/oracle/oradata/orcl2/system01.db - dbid changed, wrote new name
Datafile /u01/app/oracle/oradata/orcl2/sysaux01.db - dbid changed, wrote new name
Datafile /u01/app/oracle/oradata/orcl2/undotbs01.db - dbid changed, wrote new name
Datafile /u01/app/oracle/oradata/orcl2/users01.db - dbid changed, wrote new name
Datafile /u01/app/oracle/oradata/orcl2/example01.db - dbid changed, wrote new name
Datafile /u01/app/oracle/oradata/orcl2/tbs_yl01.db - dbid changed, wrote new name
Datafile /u01/app/oracle/oradata/orcl2/tbs_yl02.db - dbid changed, wrote new name
Datafile /u01/app/oracle/oradata/orcl2/tbs_yl03.db - dbid changed, wrote new name
Datafile /u01/app/oracle/oradata/orcl2/tbs_yl04.db - dbid changed, wrote new name
Datafile /u01/app/oracle/oradata/orcl2/tbs_yl05.db - dbid changed, wrote new name
Datafile /u01/app/oracle/oradata/orcl2/tbs_yl06.db - dbid changed, wrote new name
Datafile /u01/app/oracle/oradata/orcl2/tbs_yl07.db - dbid changed, wrote new name
Datafile /u01/app/oracle/oradata/orcl2/tbs_yl08.db - dbid changed, wrote new name
Datafile /u01/app/oracle/oradata/orcl2/rcatalog.db - dbid changed, wrote new name
Datafile /u01/app/oracle/oradata/orcl2/temp01.db - dbid changed, wrote new name
Control File /u01/app/oracle/oradata/orcl2/control01.ctl - dbid changed, wrote new name
Control File /u01/app/oracle/oradata/orcl2/control02.ctl - dbid changed, wrote new name
Instance shut down
Database name changed to ORCL.
Modify parameter file and generate a new password file before restarting.
Database ID for database ORCL changed to 1383851439.
All previous backups and archived redo logs for this database are unusable.
Database has been shutdown, open database with RESETLOGS option.
Succesfully changed database name and ID.
DBNEWID - Completed succesfully.
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