expdp content=data_only

[oracle@oracle1 dpump]$ expdp atest/password directory=dpump dumpfile=test_tab1.dmp content=data_only tables=test_tab1 logfile=test_tab1.log

Export: Release 11.2.0.1.0 - Production on Wed Feb 11 10:58:23 2015

Copyright (c) 1982, 2009, Oracle and/or its affiliates.  All rights reserved.

Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
Starting "ATEST"."SYS_EXPORT_TABLE_01":  atest/******** directory=dpump dumpfile=test_tab1.dmp content=data_only tables=test_tab1 logfile=test_tab1.log
Estimate in progress using BLOCKS method...
Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
Total estimation using BLOCKS method: 64 KB
. . exported "ATEST"."TEST_TAB1"                         5.937 KB      11 rows
Master table "ATEST"."SYS_EXPORT_TABLE_01" successfully loaded/unloaded
******************************************************************************
Dump file set for ATEST.SYS_EXPORT_TABLE_01 is:
  /u01/app/oracle/dpump/test_tab1.dmp
Job "ATEST"."SYS_EXPORT_TABLE_01" successfully completed at 10:58:26

[oracle@oracle1 dpump]$ clear
[oracle@oracle1 dpump]$ impdp atest2/password directory=dpump dumpfile=test_tab1.dmp content=data_only logfile=test_tab1_imp.log TABLE_EXISTS_ACTION=truncate remap_schema=atest:atest2

Import: Release 11.2.0.1.0 - Production on Wed Feb 11 10:58:50 2015

Copyright (c) 1982, 2009, Oracle and/or its affiliates.  All rights reserved.

Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
Master table "ATEST2"."SYS_IMPORT_FULL_01" successfully loaded/unloaded
Starting "ATEST2"."SYS_IMPORT_FULL_01":  atest2/******** directory=dpump dumpfile=test_tab1.dmp content=data_only logfile=test_tab1_imp.log TABLE_EXISTS_ACTION=truncate remap_schema=atest:atest2
Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
. . imported "ATEST2"."TEST_TAB1"                        5.937 KB      11 rows
Job "ATEST2"."SYS_IMPORT_FULL_01" successfully completed at 10:58:52