Re: Re[2]: RMAN: I don't trust it

Quoting dgoulet_at_vicr.com:
> pg_dump equals export in Oracle. Actually "pg_dump all" =
> "export full=y".
> It's just a syntax difference. And if you have a full export all
> you need to to
> recreate the database is create the system tablespace. And yes it
> is easy with
> Oracle, if you keep it simple.

WRONG!!!

An Export file is an Oracle binary-format dump file that is typically located on disk
or tape. The dump files can be transferred using FTP or physically transported (in
Before Using Export
the case of tape) to a different site. The files can then be used with the Import utility
to transfer data between databases that are on systems not connected through a
network. The files can also be used as backups in addition to normal backup
procedures.
Export dump files can only be read by the Oracle Import utility. The version of the
Import utility cannot be earlier than the version of the Export utility used to create
the dump file.

The Export file is not equal to pg_dump's output simply because pg_dump's output is an actual plain text sql script that you can edit with a plain text editor (i.e. vi), or simply run in a different SQL based database. Export dump files are binary and are proprietary only to Oracle (i.e. no other database understands it unless you convert it first with some automagic third-party utility).

-- 
Lyndon Tiu

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Lyndon Tiu
  INET: ltiu_at_alumni.sfu.ca

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