Urgent Archiving tables in ORACLE

Hello Every body,
Any body having experince in archving records using oracle please help me...
My client need a way to archieve the history records but Oracle documentation does not provide the exact procedure as how to archive the records so that it can be restored later......
If anybody is aware of it ...Please go forward and shared your experirnce as what is the exact procedure....
Also if the exact procedure is not provided by Oracle is there any third party software avaliable that would help.....
Regards
Mahesh

I don't know of any third party software, though that doesn't mean none exists. If we're talking just 1 or 2 tables, though, it's a pretty easy script to write yourself.
1) Call SQL*Plus and have it
- truncate table <yourArchiveTable>
- insert into <yourArchiveTable> (<select rows you want to archive>)
- delete rows you want to archive from table
2) Call exp to export the data from <yourArchiveTable> to a flat file.
3) Move this flat file wherever you'd like
On the restore side,
1) Call imp to insert data back into <yourArchiveTable> (you might choose to have both an incoming & outgoing archive table)
2) inset into <yourTable> (select * from <yourArchiveTable>
If you partition the table and are able to limit the archive & restore to a single partition, it's even easier. For individual tables, it shouldn't take more than a day or two to roll the code.
If you need more complicated logic, i.e. some rows that you archive aren't removed from the database, resolving collisions if you try to insert rows back into a table where they might have changed, that increases the complexity significantly. Since dealing with these sort of cases requires very particular business logic, though, there's no tool in the world that would be able to handle it-- you'd have to roll your own.
Justin

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