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  • oracle temp 临时表

    1、create temporary tablespace TEMP2 TEMPFILE   'C:\oracle\oradata\analyzer\temp02.dbf'   SIZE   2048M ;

    2、alter database default temporary tablespace TEMP2;

    3、drop tablespace TEMP including contents and datafiles;

    4、create temporary tablespace TEMP TEMPFILE 'C:\oracle\oradata\analyzer\temp01.dbf' SIZE 2048M REUSE AUTOEXTEND on MAXSIZE 10240M;

    5、alter database default temporary tablespace TEMP;

    6、drop tablespace TEMP2 including contents and datafiles;

    增加自动扩展临时表空间及改变默认表空间(转)(2010-05-06 21:07:15)转载标签:电脑临时表空间nameproductit 分类:用友职业生涯

    增加自动扩展临时表空间及改变默认表空间

    1、查看临时表空间的大小 SQL> l   1  select a.name "tablespace",b.name "name",b.bytes/1024/1024 "MB" from v$tablespace a,v$tempfile b where a.ts#=b.ts# SQL> /

    table name                                                       MB           ----- -------------------------------------------------- ----------           TEMP  D:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\TEMP01.DBF           20          

                                         NUMBER

    2、查看临时表空间大小、是否自动扩展

    SQL> l   1* select file_name,bytes/1024/1024 "MB",autoextensible,tablespace_name from dba_temp_files SQL> /

    FILE_NAME                                                  MB AUT             -------------------------------------------------- ---------- ---             TABLESPACE_NAME                                                               ------------------------------                                                D:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\TEMP01.DBF           20 YES             TEMP                                                                                                                                                       

    3、缩小临时表空间文件的大小,把20M缩小成5M SQL> alter database tempfile 'D:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\TEMP01.DBF' resize 5M;

    数据库已更改。

    SQL> select name,bytes/1024/1024 "MB" from v$tempfile;

    NAME                                                       MB                 -------------------------------------------------- ----------                 D:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\TEMP01.DBF            5                

    4、新创建一个自动扩展的临时表空间 SQL> create temporary tablespace temp02 tempfile 'D:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\TEMP02.DBF' size 4M autoextend on;

    表空间已创建。

    创建表空间时设置数据文件的最大限制值:

    SQL> create temporary tablespace temp02 tempfile 'D:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\TEMP02.DBF' size 4M autoextend on maxsize 10M;

    表空间已创建。

    5、查询目前数据库中默认的临时表空间

    SQL> l   1  select * from database_properties where property_name like 'DEFAULT%' SQL> /

    PROPERTY_NAM PROPERTY_VAL DESCRIPTION                                         ------------ ------------ --------------------                                DEFAULT_TEMP TEMP         Name of default temp                                _TABLESPACE               orary tablespace                                                                                                                  DEFAULT_PERM USERS        Name of default perm                                ANENT_TABLES              anent tablespace                                    PACE                                                                                                                                                        DEFAULT_TBS_ SMALLFILE    Default tablespace t                                TYPE                      ype                                                                                                                                                                    6、查询所有的临时表空间                                                                      SQL> l   1* select file_name,tablespace_name,bytes/1024/1024 "MB",autoextensible from dba_temp_files SQL> /

    FILE_NAME                      TABLESPA         MB AUT                        ------------------------------ -------- ---------- ---                        D:\ORACLE\PRODUCT\10.2.0\ORADA TEMP              5 YES                        TA\ORCL\TEMP01.DBF                                                                                                                                          D:\ORACLE\PRODUCT\10.2.0\ORADA TEMP02            4 YES                        TA\ORCL\TEMP02.DBF                                                                                                                                          7、更改数据库的默认表空间 SQL> alter database default temporary tablespace temp02;

    数据库已更改。

    8、重新查看数据库的默认表空间 SQL> select * from database_properties   2  where property_name like 'DEFAULT%';

    PROPERTY_NAM PROPERTY_VAL DESCRIPTION                                         ------------ ------------ --------------------                                DEFAULT_TEMP TEMP02       Name of default temp                                _TABLESPACE               orary tablespace                                                                                                                  DEFAULT_PERM USERS        Name of default perm                                ANENT_TABLES              anent tablespace                                    PACE                                                                                                                                                        DEFAULT_TBS_ SMALLFILE    Default tablespace t                                TYPE                      ype                                                                                                                               9、查看临时表空间的数据文件的状态 SQL> select file#,status,bytes/1024/1024 "MB",name from v$tempfile;

         FILE# STATUS          MB NAME                                            ---------- ------- ---------- --------------------------------------------------          1 ONLINE           5 D:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\TEMP01.DBF          2 ONLINE           4 D:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\TEMP02.DBF

    10、删除临时表空间,不能是数据库的默认临时表空间

    SQL> drop tablespace temp;

    表空间已删除。

    SQL> select tablespace_name,status,contents from dba_tablespaces;

    TABLESPA STATUS    CONTENTS                                                   -------- --------- ---------                                                  SYSTEM   ONLINE    PERMANENT                                                  UNDOTBS1 ONLINE    UNDO                                                       SYSAUX   ONLINE    PERMANENT                                                  USERS    ONLINE    PERMANENT                                                  EXAMPLE  ONLINE    PERMANENT                                                  TEMP02   ONLINE    TEMPORARY                                                 

    已选择6行。

    这样就可以在操作系统上手工删除临时表空间的数据文件。

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  • 原文地址:https://www.cnblogs.com/chb240982248/p/3086369.html
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