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On Sun, Apr 10, 2011 at 05:20:02AM +0530, Vaibhav Kaushal wrote:
> Hello all,
>
> I was going through some papers related to sorting and since I am
> studying PG code side by side, I wondered how sorting would be done on a
> DB with millions of rows on disk with GBs of data. Since holding
> everything in memory would not be the possible solution, how do we
> actually sort the results in such conditions.
Look for "external sort" and "external merge"
Regards
- -- tomás
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