expdp
.
Step 1: Here is one simple example. You have to create a SQL file from the dump file using SQLFILE
option.
Step 2: Grep for CREATE USER
in the generated SQL file (here tables.sql)
Example here:
$ impdp directory=exp_dir dumpfile=exp_user1_all_tab.dmp logfile=imp_exp_user1_tab sqlfile=tables.sql
Import: Release 11.2.0.3.0 - Production on Fri Apr 26 08:29:06 2013
Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.
Username: / as sysdba
Processing object type SCHEMA_EXPORT/PRE_SCHEMA/PROCACT_SCHEMA Job "SYS"."SYS_SQL_FILE_FULL_01" successfully completed at 08:29:12
$ grep "CREATE USER" tables.sql
CREATE USER "USER1" IDENTIFIED BY VALUES 'S:270D559F9B97C05EA50F78507CD6EAC6AD63969E5E;BBE7786A5F9103'
Lot of datapump options explained here http://www.acehints.com/p/site-map.html