Mount the database whose name is to be changed SQL> startup pfile=inithcc.ora nomount ORACLE instance started. Total System Global Area 100663296 bytes Fixed Size 1217884 bytes Variable Size 88083108 bytes Database Buffers 8388608 bytes Redo Buffers 2973696 bytes SQL> alter database mount; Database altered. SQL> select name,open_mode from v$database; NAME OPEN_MODE --------- ---------- HCC MOUNTED Use nid Utility to change the Database Name(from 9i or higher) $ nid target=sys/as sysdba dbname=test This may give the following Output DBNEWID: Release 10.2.0.1.0 - Production on Thu May 19 19:33:31 2011 Copyright (c) 1982, 2005, Oracle. All rights reserved. Password: Connected to database HCC (DBID=1702020770) Connected to server version 10.2.0 Control Files in database: /home/hcctest/oracle/oradata/test/control/control01.ctl /home/hcctest/oracle/oradata/test/control/cont...
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