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Oracle9i重建与切换临时表空间

2024-08-29 13:40:33
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Oracle9i引入了全局缺省临时表空间,缺省的假如不指定用户临时表空间,Oracle会为用户指定这个缺省临时表空间.首先查询用户的缺省临时表空间:     [oracle@jumper oracle]$ sqlplus "/ as sysdba"SQL*Plus: Release 9.2.0.4.0 - PRodUCtion on Wed Apr 12 11:11:43 2006Copyright (c) 1982, 2002, Oracle Corporation.  All rights reserved.
Connected to:
Oracle9i Enterprise Edition Release 9.2.0.4.0 - Production
With the Partitioning option
JServer Release 9.2.0.4.0 - ProductionSQL> select username,temporary_tablespace from dba_users;USERNAME                       TEMPORARY_TABLESPACE
------------------------------ ------------------------------
SYS                                 TEMP2
SYSTEM                         TEMP2
OUTLN                           TEMP2
EYGLE                            TEMP2
CSMIG                            TEMP2
TEST                               TEMP2
REPADMIN                    TEMP2
......13 rows selected.SQL> select name from v$tempfile;NAME
---------------------------------------------------------------------
/opt/oracle/oradata/conner/temp02.dbf
/opt/oracle/oradata/conner/temp03.dbf
重建新的临时表空间并进行切换:SQL> create temporary tablespace temp tempfile '/opt/oracle/oradata/conner/temp1.dbf' size 10M;Tablespace created.SQL> alter tablespace temp add tempfile '/opt/oracle/oradata/conner/temp2.dbf' size 20M;Tablespace altered.SQL> alter database default temporary tablespace temp;Database altered.SQL> select username,temporary_tablespace from dba_users;
USERNAME                       TEMPORARY_TABLESPACE
------------------------------ ------------------------------
SYS                                 TEMP
SYSTEM                         TEMP
OUTLN                           TEMP
EYGLE                            TEMP
CSMIG                           TEMP
TEST                               TEMP
REPADMIN                    TEMP
.......13 rows selected.假如原临时表空间无用户使用,我们可以删除该表空间:SQL> drop tablespace temp2;Tablespace dropped.SQL>
SQL> select name from v$tempfile;NAME
---------------------------------------------------------------
/opt/oracle/oradata/conner/temp1.dbf
/opt/oracle/oradata/conner/temp2.dbfSQL> select file_name,tablespace_name,bytes/1024/1024 MB,autoextensible
  2  from dba_temp_files
  3  /FILE_NAME                              TABLESPACE_NAME              MB AUTOEXTENSIBLE
-------------------------------------- -------------------- ---------- --------------
/opt/oracle/oradata/conner/temp2.dbf   TEMP                         20 NO
/opt/oracle/oradata/conner/temp1.dbf   TEMP                         10 NO

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