Kunal Khatua commented on DRILL-6012:

It might be a good idea to share this in the Dev mailing list and see what 
developers in the  community have to say.

> Query Oracle RMAN without restoring a DB
> ----------------------------------------
>                 Key: DRILL-6012
>                 URL: https://issues.apache.org/jira/browse/DRILL-6012
>             Project: Apache Drill
>          Issue Type: New Feature
>          Components: Storage - Other
>            Reporter: Daniel Petisme
>            Priority: Minor
> Oracle backups are stored under a RMAN (Recovery Manager) format.
> https://docs.oracle.com/cd/E11882_01/backup.112/e10642/rcmquick.htm
> With the raise of BigData, we want to query all possible data. Nevertheless, 
> is sometimes hard to get access to actual living data where backups are often 
> easy to get but hard to restore properly.
> The aim of this feature would be to query the RMAN file without actually 
> restoring the database. I don't know if it's even feasible but would be a 
> great help to ease the data access. 
> As far as I know, RMAN are binary formats (I guess propriatary) which 
> contains some structure meta-data (indices, for instance) and the actual data.
> IMHO, in that context performance is not a first-class constraint is more an 
> exploration tool I have in mind.
> Does make sense? What's you thoughts on this idea ?

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