How to spool oracle data faster

Hi,
I'm retrieving data from oracle database.
There are around more than 308501 rows in every file which I'm retiring which is taking around 10hrs to retrieve all these rows.
Is there is any way so that i can minimize the data retrieval time.
appreciate your help.
Regards,
Arun

I think there are so many considerable things
1. You can tune the query to reduce the execution time. Mention you oracle version for both(source and target)
2. If the structure of tables is same, then export/import utility would be easy. (If I got your scenario right).
3. Fetching lacs of records in txt file and loading db is not appreciable approach. I still think taking dump is better way.

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