Data Pump - expdp / impdp utility question

Question

HiAll,
As a basic exercise to learn Data pump, I am trying to export schema scott and then want to load the dump file into a test_t schema in the same database.
--1. created dir object from sysdba
CREATE DIRECTORY dpump_dir1 AS 'C:\output_dir';
--2. created dir on the OS as c:/output_dit
--3. run expdp
expdp system/*****@orcl schemas=scott DIRECTORY=dpump_dir1 JOB_NAME=hr DUMPFILE=scott_orcl_nov5.dmp PARALLEL=4
--4. create test_t schema and grant dba to it.
--5. run impdp
impdp system/*****@orcl schemas=test_t DIRECTORY=dpump_dir1 JOB_NAME=hr DUMPFILE=scott_orcl_nov5.dmp PARALLEL=8
it fails here as ORA39165 : schema test_t not found. However the schema test_t does exist.
So, I am not sure why it should give this error. It seems that the schema of Scott from the expdp dump file can not be loaded to any other schema but only to a schema named scott...Is it right? If yes then how can I load all the objects of schema say scott to another schema say test_t? It would be helpful if you can please show the respective expdp and impdp command.
Thanks a lot
KS

Answer 1

The test_t schema does not exist in the export dump file, you should remap from input scott schema to the target test_t schema.
REMAP_SCHEMA : http://download.oracle.com/docs/cd/E11882_01/server.112/e22490/dp_import.htm#SUTIL927
Nicolas.