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  • 【练习】数据文件的迁移

    1.查看表空间对应得数据文件

    SQL> select FILE_NAME,TABLESPACE_NAME from dba_data_files;
    
    FILE_NAME                                          TABLESPACE_NAME
    -------------------------------------------------- ---------------
    /u01/app/oracle/oradata/ORA11GR2/example01.dbf     EXAMPLE
    /u01/app/oracle/oradata/ORA11GR2/users01.dbf       USERS
    /u01/app/oracle/oradata/ORA11GR2/undotbs01.dbf     UNDOTBS1
    /u01/app/oracle/oradata/ORA11GR2/sysaux01.dbf      SYSAUX
    /u01/app/oracle/oradata/ORA11GR2/system01.dbf      SYSTEM
    /u01/app/oracle/oradata/ORA11GR2/tbs1.dbf          TBS1
    /u01/app/oracle/oradata/ORA11GR2/tbs2.dbf          TBS1
    
    7 rows selected.

    2.将表空间offline

    SQL> alter tablespace users offline;
    
    Tablespace altered.
    
    SQL> select TABLESPACE_NAME,STATUS from dba_tablespaces;
    
    TABLESPACE_NAME                STATUS
    ------------------------------ ---------
    SYSTEM                         ONLINE
    SYSAUX                         ONLINE
    UNDOTBS1                       ONLINE
    TEMP                           ONLINE
    USERS                          OFFLINE
    EXAMPLE                        ONLINE
    TBS1                           ONLINE

    3.拷贝

    [oracle@host02 ~]$ cp /u01/app/oracle/oradata/ORA11GR2/users01.dbf /u01/app/oracle/users01.dbf

    4.更新控制文件中的信息

    SQL> alter database rename file '/u01/app/oracle/oradata/ORA11GR2/users01.dbf' to '/u01/app/oracle/users01.dbf';
    
    Database altered.

    5.将表空间online

    SQL> alter tablespace users online;
    
    Tablespace altered.
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  • 原文地址:https://www.cnblogs.com/tomatoes-/p/6130588.html
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