Renaming datafile (.dbf) rename in 11g
Rename Datafiles in Single Tablespace (Database Open Mode) :
Caution : Backup your tablespace Before you will do some change in your tablespace.
Please find below steps to rename datafile.
We can use the alter tablespace rename datafile command,
but the tablespace most be offline and you must re-name at OS level command the data file while the tablespace is offline:
Step: 1
[ora@oracle ~]$ sqlplus / as sysdba SQL> ALTER TABLESPACE SYSAUX OFFLINE NORMAL; Tablespace altered. SQL> !
Step: 2
Rename undo07.dbf to sysaux08.dbf
[ora@oracle ~]$ cd /u01/db/apps_st/data/ [ora@oracle data]$ ls -lrt|grep undo07.dbf -rw-r----- 1 oraqa dba 3221233664 Aug 9 11:32 undo07.dbf [ora@oracle data]$ chmod 755 undo07.dbf [ora@oracle data]$ mv undo07.dbf sysaux08.dbf [ora@oracle data]$ ls -lrt|grep undo07.dbf [ora@oracle data]$ ls -lrt|grep sysaux08.dbf -rwxr-xr-x 1 oraqa dba 3221233664 Aug 9 11:32 sysaux08.dbf
Step: 3
[ora@oracle data]$ sqlplus / as sysdba SQL> ALTER TABLESPACE SYSAUX RENAME DATAFILE '/u01/db/apps_st/data/undo07.dbf' to '/u01/db/apps_st/data/sysaux08.dbf'; Tablespace altered.
Step: 4
SQL> ALTER TABLESPACE SYSAUX ONLINE; Tablespace altered.
Steps: 5
Verify tablespace status.
SQL> SELECT status FROM dba_tablespaces WHERE tablespace_name = 'SYSAUX'; STATUS --------- ONLINE
Verify datafile name.
SQL> select TABLESPACE_NAME,FILE_NAME from dba_data_files where TABLESPACE_NAME = 'SYSAUX'; TABLESPACE_NAME-------------FILE_NAME -------------------------------------------------------------------------------- SYSAUX /u01/db/apps_st/data/sysaux08.dbf
Rename datafile undo07.dbf to sysaux08.dbf completed.
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