1 数据文件的状态设置为offline状态表空间置为offlinesql> select file_name,tablespace_name from dba_data_files;sql> alter tablespace users offline;sql> select name,status from v$datafile;NAME STATUS-------------------------------------------------- -------/u01/app/oracle/oradata/ORA11GR2/system01.dbf SYSTEM/u01/app/oracle/oradata/ORA11GR2/sysaux01.dbf ONLINE/u01/app/oracle/oradata/ORA11GR2/undotbs01.dbf ONLINE/u01/app/oracle/oradata/ORA11GR2/users01.dbf OFFLINE/u01/app/oracle/oradata/ORA11GR2/example01.dbf ONLINE2 操作系统层面完成真正的改名操作3 数据库层面修改数据文件名alter database rename file '/u01/app/oracle/oradata/ORA11GR2/users01.dbf' to '/u01/app/oracle/oradata/ORA11GR2/users01.dbf.bk';4 表空间重新置为online状态alter tablespace users online;sql> select name,status from v$datafile;
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