Re: execute cursor fetch

I just discovered this :

http://www.postgresql.org/docs/7.4/static/jdbc-query.html#AEN24298

On Tue, 12 Oct 2004 04:43:43 -0700 (PDT), my ho <mthoatbanjo(at)yahoo(dot)com>
wrote:

> Hi,
> If anyone can help pls, I have a question abt the
> execution of cursor create/fetch/move , in particular
> about disk cost. When a cursor is created, is the
> whole table (with the required columns) got put into
> memory? otherwise how does it work? (in term of disk
> read and transfer?) after user issues command
> move/fetch, how does postgre speed up the query in
> compare to normal selection?
> Thanks a lot,
> regards,
> MT Ho
>
>
>
>
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