Recover data file / oracle database duplicate offers backup

Hello.
I have regular backups of all data files (copy of the image) and created by oracle archivelogs suggested backup.

I want to recover the database to a specific day, and not to the last transaction, on the last day of backup was performed.
So far I've always had the last transaction recovery with isn't an option because a large amount of data is missing, and I don't know what happened, I just know that that day there before (last image retrieved copy) is very well, but I'm unable to recover at this point. I used recover until sequence, up to the time, but I have always applied the newspaper.

So my question is, can I restore the data file and retrieve it, I mean sync with the database without appling archivelogs to keep the data in this file, as it was the day of the last backup, or use this image copy to create another database to get the same things, or is there another way to get data as it was on the last day backup was taken.

Any help is appreciated, the situation is very serious!

Hi user12091398,

Furthermore, it just ask, pourrais I try to use blockrecover to copy good image perhaps?

With recovery of block, you will have to make a full recovery, it is of no use.

Steps for cloning:
-create an auxiliary environment (instance, space...) db_file_name_convert and log_file_name_convert parameters can be useful.
-make elements of rman backup available on the host running the auxiliary.
-set up tns to be able to access the target host of the auxiliary.
-create and run a script in double
Run {}
define_db_name duplicate target database
# up to "TO_DATE('2010-01-28:10:00:00','yyyy-mm-dd:hh24:mi:ss')".
up to the time "TO_DATE('define_date','yyyy-mm-dd:hh24:mi:ss')".
;
}

Kind regards

Tycho

Tags: Database

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