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  • 【参考】将表建在指定的数据文件上

    SQL> create tablespace maclean datafile size 10M;

    Tablespace created.


    SQL> alter tablespace maclean add  datafile size 10M;

    Tablespace altered.

    SQL> alter tablespace maclean add  datafile size 10M;

    Tablespace altered.

    SQL> select name,file# from v$DATAFILE;

    NAME                                                                        FILE#
    ---------------------------------------------------------------------- ----------
    C:APPORADATAG11R2DATAFILEO1_MF_SYSTEM_6VWCSPD4_.DBF                        1
    C:APPORADATAG11R2DATAFILEO1_MF_SYSAUX_6VWCT4N3_.DBF                        2
    C:APPORADATAG11R2DATAFILEO1_MF_UNDOTBS1_6VWCTGK4_.DBF                      3
    C:APPORADATAG11R2DATAFILEO1_MF_USERS_6VWCV01L_.DBF                         4
    C:APPORADATAG11R2DATAFILEO1_MF_UI_6YW3OX2J_.DBF                            5
    C:APPORADATAG11R2DATAFILEO1_MF_TOO_MANY_70679V7W_.DBF                      6
    C:APPORADATAG11R2DATAFILEO1_MF_ASSFDS_7088L5MF_.DBF                        7
    C:APPORADATAG11R2DATAFILEO1_MF_SYSTEM_70PLM9PB_.DBF                        8
    C:SS.DBF                                                                       9
    C:APPORADATAG11R2DATAFILEO1_MF_MACLEAN_7CBQ9RLD_.DBF                      10
    C:APPORADATAG11R2DATAFILEO1_MF_MACLEAN_7CBQBJXK_.DBF                      11
    C:APPORADATAG11R2DATAFILEO1_MF_MACLEAN_7CBQBLQR_.DBF                      12

    12 rows selected.

    SQL> create table extend_on_datafile12 (t1 int) tablespace maclean;

    Table created.

    SQL> alter table  extend_on_datafile12 allocate extent ( datafile 'C:APPORADATAG11R2DATAFILEO1_MF_MACLEAN_7CBQBLQR_.DBF' size 2M);

    Table altered.


    SQL> select file_id  from dba_extents where segment_name='EXTEND_ON_DATAFILE12';

       FILE_ID
    ----------
            12
            12
            12

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  • 原文地址:https://www.cnblogs.com/zhangxsh/p/3494569.html
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