[root@localhost dmp]# ls
scott_schema.bak

重定义对象所属SCHEMA和表空间（REMAP）
[oracle@linux5 imp_exp]$ expdp scott/oracle directory=dump_file_dir dumpfile=scott.dmp logfile=scott.log

Export: Release 10.2.0.1.0 - Production on Saturday, 12 April, 2014 18:16:21

Copyright (c) 2003, 2005, Oracle. All rights reserved.

Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
Starting "SCOTT"."SYS_EXPORT_SCHEMA_01": scott/******** directory=dump_file_dir dumpfile=scott.dmp logfile=scott.log
Estimate in progress using BLOCKS method...
Processing object type SCHEMA_EXPORT/TABLE/TABLE_DATA
Total estimation using BLOCKS method: 192 KB
Processing object type SCHEMA_EXPORT/USER
Processing object type SCHEMA_EXPORT/SYSTEM_GRANT
Processing object type SCHEMA_EXPORT/ROLE_GRANT
Processing object type SCHEMA_EXPORT/DEFAULT_ROLE
Processing object type SCHEMA_EXPORT/PRE_SCHEMA/PROCACT_SCHEMA
Processing object type SCHEMA_EXPORT/TABLE/TABLE
Processing object type SCHEMA_EXPORT/TABLE/INDEX/INDEX
Processing object type SCHEMA_EXPORT/TABLE/CONSTRAINT/CONSTRAINT
Processing object type SCHEMA_EXPORT/TABLE/INDEX/STATISTICS/INDEX_STATISTICS
Processing object type SCHEMA_EXPORT/TABLE/COMMENT
Processing object type SCHEMA_EXPORT/TABLE/CONSTRAINT/REF_CONSTRAINT
Processing object type SCHEMA_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS
. . exported "SCOTT"."DEPT" 5.656 KB 4 rows
. . exported "SCOTT"."EMP" 7.820 KB 14 rows
. . exported "SCOTT"."SALGRADE" 5.585 KB 5 rows
. . exported "SCOTT"."BONUS" 0 KB 0 rows
Master table "SCOTT"."SYS_EXPORT_SCHEMA_01" successfully loaded/unloaded
******************************************************************************
Dump file set for SCOTT.SYS_EXPORT_SCHEMA_01 is:
/u01/imp_exp/dmp/scott.dmp
Job "SCOTT"."SYS_EXPORT_SCHEMA_01" successfully completed at 18:17:23
把SCOTT用户中的数据导入到TEST用户下：
SQL> conn scott/oracle
Connected.
SQL> select username,default_tablespace from user_users;

USERNAME DEFAULT_TABLESPACE
------------------------------ ------------------------------
SCOTT USERS

SQL> conn test/oracle
Connected.
SQL> select username,default_tablespace from user_users;

USERNAME DEFAULT_TABLESPACE
------------------------------ ------------------------------
TEST TEST

[oracle@linux5 imp_exp]$ impdp test/oracle schemas=scott directory=dump_file_dir dumpfile=scott.dmp nologfile=y remap_schema=scott:test remap_tablespace=users:test table_exists_action=replace

Import: Release 10.2.0.1.0 - Production on Saturday, 12 April, 2014 18:38:32

Copyright (c) 2003, 2005, Oracle. All rights reserved.