need alternative to rman method to refresh db test - perhaps flashback?

We have a production db (PROD) and a test db (TEST). Both are on linux redhat with db version 11 GR 2 and both are on CARS.

Using this method to refresh the current test environment a:

with Sunday's full backup tape backup and restore to the test db. Then recover to the point of time. Then recreate the TEST environment by pointing the db on TEST environment, and then recover to required timestamp (say, Wednesday 09:00). It usually takes 4 days to make.
So let's say that a request on 22/09/2012 for a Test database to be updated until environment 19/09/2012 (Test usually needs to be updated once a quarter).

The tedious steps we took 4 days for finishup all.

I would like to know if it is possible like this:

22/09/2012, I make a transportable tablespace movement of PROD to Test, which cost 1 day. Then I flashback than the Timestamp of the 09:00 19/09/2012.

Is this possible? I really appreciate the input of everyone.

Thank you.

We have a production db (PROD) and a test db (TEST). Both are on linux redhat with db version 11 GR 2 and both are on CARS.
So let's say that a request on 22/09/2012 for a Test database to be updated until environment 19/09/2012 (Test usually needs to be updated once a quarter).

The tedious steps we took 4 days for finishup all.

I would like to know if it is possible like this:

22/09/2012, I make a transportable tablespace movement of PROD to Test, which cost 1 day. Then I flashback than the Timestamp of the 09:00 19/09/2012.

Why not create a database from the night BEFORE and use the Standby Database Snapshot feature?

A database snapshot pending can be opened in read-write mode and is fully editable. You can undo the change caused during tests performed on this database and keep refreshing this prod database without running a full restore (i.e. apply only to redo)

http://docs.Oracle.com/CD/B28359_01/server.111/b28294/manage_ps.htm#sthref704

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