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I have a requirement from one of my teams which is database copy (cloning) from production to my test server on daily basis at a particular time.

I know this is a very simple process which every DBA would perform.

Should I use RMAN duplicate for cloning? Should I use Goldengate? Is there any way I can schedule the same without manual intervention?

Server - RHEL Database - Oracle 12c/11g

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  • Would there be much activity update/delete/insert-wise on the test system? You could use flashback to scn & apply archive, if so.
    – Philᵀᴹ
    Dec 18 '15 at 7:53
  • But on daily basis? what is the best option to go with? Yes activity will be there but not much. Goldengate, as a choice? any inputs?
    – tesla747
    Dec 18 '15 at 7:58
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This can be done in a few minutes with storage snapshots/cloning. If you can't do that, just go for RMAN duplicate. Both method can be scripted and scheduled to run automatically.

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Consider using data pump over a db link. Set up correctly, you could drop the commands into a shell script and run it from cron.

Watch archive log generation on the target side, though.

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You could consider using a Physical Standby database and flashback. If your primary does not make to many changes this could be a very valid solution like described in 12.6 Using a Physical Standby Database for Read/Write Testing and Reporting This is fairly easy to script to make it a painless daily exercise.

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