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1.ÏȽ«ÏàÓ¦µÄÊý¾ÝÎļþ offline 
ALTER DATABASE DATAFILE 'D:\ORACLE\ORADATA\DBA\TEST01.DBF' OFFLINE;
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3. alter database rename file 'D:\ORACLE\ORADATA\DBA\TEST01.DBF' to 'D:\TEST01.DBF';
4. ½éÖʻָ´(offline Êý¾ÝÎļþ±ØÐëÒª½éÖʻָ´)
recover datafile 'D:\TEST01.DBF'
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SQL>ALTER DATABASE DATAFILE 'D:\TEST01.DBF' ONLINE;
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1.ÏȽ«ÏàÓ¦µÄ±í¿Õ¼ä offline 
SQL>alter tablespace test offline; 
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3. alter tablespace TEST  rename datafile 'D:\TEST01.DBF' to 'D:\ORACLE\ORADATA\DBA\TEST01.DBF'
4. ½«±í¿Õ¼ä online
SQL>alter tablespace test online;  
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C:>set ORACLE_SID=DBA
C:>sqlplus /nolog
SQL*Plus: Release 10.2.0.1.0 - Production on ÐÇÆÚÈÕ 11ÔÂ 29 11:14:02 2009
Copyright (c) 1982, 2005, Oracle.  All rights reserved.
SQL> conn sys/admin as sysdba
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SQL> shutdown immediate
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3. rename datafile
SQL> startup mount
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Total System Global Area  289406976 bytes
Fixed Size                  1248576 bytes
Variable Size              71303872 bytes
Database Buffers          209715200 bytes
Redo Buffers                7139328 bytes
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SQL> alter database rename file 'D:\ORACLE\ORADATA\DBA\TEST01.DBF' to 'D:\TEST01
.DBF';
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