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更改數據文件名字或者路徑

1 數據文件的狀態(tài)設置為offline狀態(tài)
表空間置為offline
SQL> select file_name,tablespace_name from dba_data_files;
SQL> alter tablespace users offline;
SQL> select name,status from v$datafile;

NAME                                               STATUS
-------------------------------------------------- -------
/u01/app/oracle/oradata/ORA11GR2/system01.dbf      SYSTEM
/u01/app/oracle/oradata/ORA11GR2/sysaux01.dbf      ONLINE
/u01/app/oracle/oradata/ORA11GR2/undotbs01.dbf     ONLINE
/u01/app/oracle/oradata/ORA11GR2/users01.dbf       OFFLINE
/u01/app/oracle/oradata/ORA11GR2/example01.dbf     ONLINE
2 操作系統(tǒng)層面完成真正的改名操作
3 數據庫層面修改數據文件名
alter database rename file '/u01/app/oracle/oradata/ORA11GR2/users01.dbf' to '/u01/app/oracle/oradata/ORA11GR2/users01.dbf.bk';
4 表空間重新置為online狀態(tài)
alter tablespace users online;
SQL> select name,status from v$datafile;