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  • Oracle查看表空间和删除表空间

    查看表空间:

    SQL> desc dba_data_files
     Name                                      Null?    Type
     ----------------------------------------- -------- ----------------------------
     FILE_NAME                                          VARCHAR2(257)
     FILE_ID                                            NUMBER
     TABLESPACE_NAME                                    VARCHAR2(30)
     BYTES                                              NUMBER
     BLOCKS                                             NUMBER
     STATUS                                             VARCHAR2(9)
     RELATIVE_FNO                                       NUMBER
     AUTOEXTENSIBLE                                     VARCHAR2(3)
     MAXBYTES                                           NUMBER
     MAXBLOCKS                                          NUMBER
     INCREMENT_BY                                       NUMBER
     USER_BYTES                                         NUMBER
     USER_BLOCKS                                        NUMBER
     ONLINE_STATUS                                      VARCHAR2(7)
    
    SQL> select file_name,tablespace_name from dba_data_files;
    
    FILE_NAME
    --------------------------------------------------------------------------------
    TABLESPACE_NAME
    ------------------------------
    +DATA/orcl/datafile/users.259.738776263
    USERS
    
    +DATA/orcl/datafile/sysaux.257.738776261
    SYSAUX
    
    +DATA/orcl/datafile/undotbs1.258.738776263
    UNDOTBS1
    
    
    FILE_NAME
    --------------------------------------------------------------------------------
    TABLESPACE_NAME
    ------------------------------
    +DATA/orcl/datafile/system.256.738776261
    SYSTEM
    
    +DATA/orcl/datafile/undotbs2.265.738776351
    UNDOTBS2
    
    +DATA/orcl/datafile/sp1data.dbf
    SP1DATA
    
    
    FILE_NAME
    --------------------------------------------------------------------------------
    TABLESPACE_NAME
    ------------------------------
    +DATA/orcl/datafile/hapi.dbf
    HAPI
    
    +DATA/orcl/datafile/hapbi.dbf
    HAPBI
    
    +DATA/orcl/datafile/szsq.dbf
    SZSQ
    
    
    FILE_NAME
    --------------------------------------------------------------------------------
    TABLESPACE_NAME
    ------------------------------
    +DATA/orcl/datafile/bireport.dbf
    BIREPORT
    
    +DATA/orcl/datafile/g3bi.dbf
    G3BI
    
    +DATA/orcl/datafile/ehrtbs.dbf
    EHRTBS
    
    
    FILE_NAME
    --------------------------------------------------------------------------------
    TABLESPACE_NAME
    ------------------------------
    +DATA/orcl/datafile/ehrdoctbs.dbf
    EHRDOCTBS
    
    +DATA/orcl/datafile/ehrindtbs.dbf
    EHRINDTBS
    
    +DATA/orcl/datafile/g2_data.ora
    G2_DATA
    
    
    FILE_NAME
    --------------------------------------------------------------------------------
    TABLESPACE_NAME
    ------------------------------
    +DATA/orcl/datafile/g2_index_data.ora
    G2_INDEX_DATA
    
    /opt/tablespace/nnc_data01.dbf
    NNC_DATA01
    
    /opt/tablespace/nnc_data02.dbf
    NNC_DATA02
    
    
    FILE_NAME
    --------------------------------------------------------------------------------
    TABLESPACE_NAME
    ------------------------------
    /opt/tablespace/nnc_data03.dbf
    NNC_DATA03
    
    /opt/tablespace/nnc_index01.dbf
    NNC_INDEX01
    
    /opt/tablespace/nnc_index02.dbf
    NNC_INDEX02
    
    
    FILE_NAME
    --------------------------------------------------------------------------------
    TABLESPACE_NAME
    ------------------------------
    /opt/tablespace/nnc_index03.dbf
    NNC_INDEX03
    
    
    22 rows selected.

    删除表空间:

      

    SQL> drop tablespace NNC_INDEX03 including contents and datafiles;
    
    Tablespace dropped.
    
    SQL> drop tablespace NNC_DATA01 including contents and datafiles;
    
    Tablespace dropped.
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  • 原文地址:https://www.cnblogs.com/wangchy0927/p/2672957.html
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