On Sat, Oct 18, 2008 at 11:19 AM, Nagaraj S <nagaraj.chk@xxxxxxxxx> wrote: > Thanks for your reply. No i don't have archivelogs on primary server, i > have removed by mistake on OS level without taking backup > Without the archive logs, you can not open the database in a supportable manner. The best thing to do would be to carefully document the process before hand by performing this procedure on a test server. By doing so you will then fully understand the process. Take a look at some of the documents found by this google search: http://www.google.com/search?hl=en&q=duplicate+database+hot+backup&btnG=Google+Search&aq=f&oq= Jared