很多人在进行数据迁移时，希望把数据导入不同于原系统的表空间，在导入之后却往往发现，数据被导入了原表空间。 
本例举例说明解决这个问题: 
1.如果缺省的用户具有DBA权限 
那么导入时会按照原来的位置导入数据，即导入到原表空间 
$ imp bjbbs/passwd file=bj_bbs.dmp fromuser=jive touser=bjbbs grants=n 
Import: Release 8.1.7.4.0 - Production on Mon Sep 22 11:49:41 2003 
(c) Copyright 2000 Oracle Corporation.  All rights reserved. 
Connected to: Oracle8i Enterprise Edition Release 8.1.7.4.0 - 64bit Production 
With the Partitioning option 
JServer Release 8.1.7.4.0 - 64bit Production 
Export file created by EXPORT:V08.01.07 via conventional path 
Warning: the objects were exported by JIVE, not by you 
import done in ZHS16GBK character set and ZHS16GBK NCHAR character set 
. . importing table                "HS_ALBUMINBOX"         12 rows imported 
. . importing table                "HS_ALBUM_INFO"         47 rows imported 
. . importing table                   "HS_CATALOG"         13 rows imported 
. . importing table          "HS_CATALOGAUTHORITY"          5 rows imported 
. . importing table         "HS_CATEGORYAUTHORITY"          0 rows imported 
.... 
. . importing table                 "JIVEUSERPROP"          4 rows imported 
. . importing table                    "JIVEWATCH"          0 rows imported 
. . importing table                   "PLAN_TABLE"          0 rows imported 
. . importing table                   "TMZOLDUSER"          3 rows imported 
. . importing table                  "TMZOLDUSER2"          3 rows imported 
About to enable constraints... 
Import terminated successfully without warnings. 


查询发现仍然导入了USER表空间 

$ sqlplus bjbbs/passwd 
SQL*Plus: Release 8.1.7.0.0 - Production on Mon Sep 22 11:50:03 2003 
(c) Copyright 2000 Oracle Corporation.  All rights reserved. 
Connected to: 
Oracle8i Enterprise Edition Release 8.1.7.4.0 - 64bit Production 
With the Partitioning option 
JServer Release 8.1.7.4.0 - 64bit Production 
SQL> select table_name,tablespace_name from user_tables; 
TABLE_NAME                     TABLESPACE_NAME 
------------------------------ ------------------------------ 
HS_ALBUMINBOX                  USERS 
HS_ALBUM_INFO                  USERS 
HS_CATALOG                     USERS 
HS_CATALOGAUTHORITY            USERS 
HS_CATEGORYAUTHORITY           USERS 
HS_CATEGORYINFO                USERS 
HS_DLF_DOWNLOG                 USERS 
... 
JIVEWATCH                      USERS 
PLAN_TABLE                     USERS 
TMZOLDUSER                     USERS 
TABLE_NAME                     TABLESPACE_NAME 
------------------------------ ------------------------------ 
TMZOLDUSER2                    USERS 
45 rows selected. 

2.回收用户unlimited tablespace权限 
这样就可以导入到用户缺省表空间 

SQL> create user bjbbs identified by passwd 
  2  default tablespace bjbbs 
  3  temporary tablespace temp 
  4  / 
User created. 
SQL> grant connect,resource to bjbbs; 
Grant succeeded. 
SQL> grant dba to bjbbs; 
Grant succeeded. 
SQL> revoke unlimited tablespace from bjbbs; 
Revoke succeeded. 
SQL> alter user bjbbs quota 0 on users; 
User altered. 
SQL> alter user bjbbs quota unlimited on bjbbs; 
User altered. 
SQL> exit 
Disconnected from Oracle8i Enterprise Edition Release 8.1.7.4.0 - 64bit Production 
With the Partitioning option 
JServer Release 8.1.7.4.0 - 64bit Production 


重新导入数据 

$ imp bjbbs/passwd file=bj_bbs.dmp fromuser=jive touser=bjbbs grants=n 
Import: Release 8.1.7.4.0 - Production on Mon Sep 22 12:00:51 2003 
(c) Copyright 2000 Oracle Corporation.  All rights reserved. 
Connected to: Oracle8i Enterprise Edition Release 8.1.7.4.0 - 64bit Production 
With the Partitioning option 
JServer Release 8.1.7.4.0 - 64bit Production 
Export file created by EXPORT:V08.01.07 via conventional path 
Warning: the objects were exported by JIVE, not by you 
import done in ZHS16GBK character set and ZHS16GBK NCHAR character set 
. . importing table                "HS_ALBUMINBOX"         12 rows imported 
. . importing table                "HS_ALBUM_INFO"         47 rows imported 
. . importing table                   "HS_CATALOG"         13 rows imported 
. . importing table          "HS_CATALOGAUTHORITY"          5 rows imported 
. . importing table         "HS_CATEGORYAUTHORITY"          0 rows imported 
. . importing table              "HS_CATEGORYINFO"          9 rows imported 
. . importing table               "HS_DLF_DOWNLOG"          0 rows imported 
.... 
. . importing table                     "JIVEUSER"        102 rows imported 
. . importing table                 "JIVEUSERPERM"         81 rows imported 
. . importing table                 "JIVEUSERPROP"          4 rows imported 
. . importing table                    "JIVEWATCH"          0 rows imported 
. . importing table                   "PLAN_TABLE"          0 rows imported 
. . importing table                   "TMZOLDUSER"          3 rows imported 
. . importing table                  "TMZOLDUSER2"          3 rows imported 
About to enable constraints... 
Import terminated successfully without warnings. 
SQL> select table_name,tablespace_name from user_tables; 
TABLE_NAME                     TABLESPACE_NAME 
------------------------------ ------------------------------ 
HS_ALBUMINBOX                  BJBBS 
HS_ALBUM_INFO                  BJBBS 
HS_CATALOG                     BJBBS 
HS_CATALOGAUTHORITY            BJBBS 
.... 
JIVETHREAD                     BJBBS 
JIVETHREADPROP                 BJBBS 
JIVEUSER                       BJBBS 
JIVEUSERPERM                   BJBBS 
JIVEUSERPROP                   BJBBS 
JIVEWATCH                      BJBBS 
PLAN_TABLE                     BJBBS 
TMZOLDUSER                     BJBBS 
TABLE_NAME                     TABLESPACE_NAME 
------------------------------ ------------------------------ 
TMZOLDUSER2                    BJBBS 
45 rows selected. 


现在数据被导入到正确的用户表空间中. 
注：exp imp在sql puls上用的时候加上$ 是$exp $imp.