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Re: Fastest way to ASCII file or other ideas?

From: hpuxrac <johnbhurley_at_sbcglobal.net>
Date: 1 May 2007 05:03:08 -0700
Message-ID: <1178020988.124506.190700@o5g2000hsb.googlegroups.com>


On May 1, 5:29 am, ErikYkema <erik.yk..._at_gmail.com> wrote:
> On Apr 30, 10:35 pm, hpuxrac <johnbhur..._at_sbcglobal.net> wrote:
>
> > On Apr 30, 4:07 pm, EscVector <J..._at_webthere.com> wrote:
>
> > > I'm looking for suggestions on the fastest way to dump 100+ Million
> > > rows from Oracle to an ASCII file.
> > > We've looked at external table with data pump. This works with speed,
> > > but that format is proprietary. We've also looked at UTL_FILE and
> > > this is slow. Looking for ideas suggestions. Streams possibly? Any
> > > third party freeware?
>
> > Traditionally for best speed one tactic is a c program running on same
> > server as database use bequeath or ipc type connection.
>
> Hi,
> I have implemented a Pro*C download program at our shop from a sample
> by Tom Kyte. Seehttp://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:4....
> It is an excellent little prototype, with which you can reach
> incredible output speeds!
> You may need to know a little Pro*C though.
>
> Regards,
> Erik Ykema

Yeah thanks I have seen that discussion item before ... everyone in the dba area "should be able" to hack together a little Pro C when required. Of course oracle supplies sample programs and instructions etc which along with the sample program from Tom Kyte's forum gives a good starting point. Received on Tue May 01 2007 - 07:03:08 CDT

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