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分类: 服务器与存储

2015-06-18 23:57:17

只能用于数据文件中的数据无需恢复的情况下

  SQL> alter database datafile '/opt/TZWX.dbf' offline drop;
   
  Database altered.
   
  SQL> alter database open;
   
  Database altered.

  SQL> drop tablespace TZWX including contents;
   
  Tablespace dropped.   

  [oracle@test11 oracle]$ sqlplus /nolog
   
  SQL*Plus: Release 9.2.0.4.0 - Production on Sat Aug 6 13:26:25 2005
   
  Copyright (c) 1982, 2002, Oracle Corporation.  All rights reserved.
   
  SQL> connect / as sysdba;
  Connected to an idle instance.
  SQL> startup mount;
  ORACLE instance started.
   
  Total System Global Area  236000356 bytes
  Fixed Size                   451684 bytes
  Variable Size             201326592 bytes
  Database Buffers           33554432 bytes
  Redo Buffers                 667648 bytes
  Database mounted.
  SQL> alter database datafile 14 offline;     
  alter database datafile 14 offline
  *
  ERROR at line 1:
  ORA-01145: offline immediate disallowed unless media recovery enabled
   
   
  SQL> alter datafile 14 offline;     
  alter datafile 14 offline
        *
  ERROR at line 1:
  ORA-00940: invalid ALTER command
   
   
  SQL>  recover datafile 14;   
  ORA-00283: recovery session canceled due to errors
  ORA-01110: data file 14: '/opt/TZWX.dbf'
  ORA-01157: cannot identify/lock data file 14 - see DBWR trace file
  ORA-01110: data file 14: '/opt/TZWX.dbf'
   
   
  SQL> alter database datafile 14 offline;   
  alter database datafile 14 offline
  *
  ERROR at line 1:
  ORA-01145: offline immediate disallowed unless media recovery enabled
   
   
  SQL> alter database open;
  alter database open
  *
  ERROR at line 1:
  ORA-01157: cannot identify/lock data file 14 - see DBWR trace file
  ORA-01110: data file 14: '/opt/TZWX.dbf'
   
   
  SQL> alter database datafile'/opt/TZWX.dbf' offline;   
  alter database datafile'/opt/TZWX.dbf' offline
  *
  ERROR at line 1:
  ORA-01145: offline immediate disallowed unless media recovery enabled
   
   
  SQL> alter database datafile '/opt/TZWX.dbf' offline;   
  alter database datafile '/opt/TZWX.dbf' offline
  *
  ERROR at line 1:
  ORA-01145: offline immediate disallowed unless media recovery enabled
   
   
  SQL> alter database datafile '/opt/TZWX.dbf' offline immediate;
  alter database datafile '/opt/TZWX.dbf' offline immediate
                                                  *
  ERROR at line 1:
  ORA-00933: SQL command not properly ended
   
   
  SQL> alter database datafile '/opt/TZWX.dbf' offline drop;
   
  Database altered.
   
  SQL> alter database open;
   
  Database altered.

  数据库打开后还需删除该数据文件所在的表空间
   
  SQL> select tablespace_name,status from dba_tablespaces;
   
  TABLESPACE_NAME                STATUS
  ------------------------------ ---------
  SYSTEM                         ONLINE
  UNDOTBS1                       ONLINE
  TEMP                           ONLINE
  CWMLITE                        ONLINE
  DRSYS                          ONLINE
  EXAMPLE                        ONLINE
  INDX                           ONLINE
  ODM                            ONLINE
  TOOLS                          ONLINE
  USERS                          ONLINE
  XDB                            ONLINE
   
  TABLESPACE_NAME                STATUS
  ------------------------------ ---------
  SZJLT                          ONLINE
  GAMETEST                       ONLINE
  SZJLT_CHAT                     ONLINE
  TZWX                           ONLINE
   
  15 rows selected.
   
  SQL>  drop user tzwx cascade;
   
  User dropped.
   
  SQL> drop tablespace TZWX ;
  drop tablespace TZWX
  *
  ERROR at line 1:
  ORA-01549: tablespace not empty, use INCLUDING CONTENTS option
   
   
  SQL> rop tablespace TZWX including contents;
  SP2-0734: unknown command beginning "rop tables..." - rest of line ignored.
  SQL> drop tablespace TZWX including contents;
   
  Tablespace dropped.
   
  SQL>

  #注意:要先删除用户,然后再删除已经offline drop的表空间.

  参考:

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