Re: SQL Loader

From: Kirtikumar Deshpande <kirtikumar_deshpande_at_yahoo.com>
Date: Tue, 03 Jun 2003 06:45:01 -0800
Message-ID: <F001.005A8D68.20030603064501@fatcity.com>

That's what I thought. LIFO.

Why does the order matter?
Can you sort the result to suit your needs?

• Kirti
  • Pradeep Kumar G <pradeep_at_ibsplc.com> wrote:
    >
    > When I queried the table to which SQL Loader loaded data from the .dat
    > file, the first record in the table was the 50000th record and
    > 49999,49998...........
    

> <kirtikumar_deshpande@ To: Multiple recipients of list ORACLE-L
> <ORACLE-L_at_fatcity.com>
> yahoo.com> cc:
>
> Sent by: Subject: Re: SQL Loader
>
> root_at_fatcity.com
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>                            

>
> I think the query is displaying data from the table in the order in
> which rows were inserted by SQL*Loader.
> Whereas, the query to read the same data from the external table is
> reading the file from the first physical record. So it appears
> reversed..
>
> - Kirti
>
> Stephen Andert <stephenandert_at_firsthealth.com> wrote:
> Pradeep,
>
> I don't know what you mean when you say SQL*Loader is "starting from
> the 50,000th record and going up". If there are 50k records, are you
> saying it is not loading them? Or is it reading them from 50,000 then
> 49,999 (i.e. in revers order)? How are you determining what order
> they
> are being read?
>
> Regarding external tables, the way they work is by reading the file
> from the first block to either the end or till it finds what it
> needs.
> Thus, external tables will read in the order the records are in the
> file.
>
> I stand ready for my ramblings to be corrected by anyone who can
> explain better :)
>
> Stephen
>
> >>> pradeep_at_ibsplc.com 06/01/03 10:35PM >>>
>
> Dear All,
>
> I don't know whether SQL Loader behaves like this always or for me
> only. I am loading a .dat file which has 50000 records.
> I noticed that S! QL loader is starting from the 50,000th record and
> going upwards, while external tables is starting from the 1st record
> and going downwards.
>
> Could somebody help me confirming this?
>
> Regards,
> Pradeep

>

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Author: Kirtikumar Deshpande
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Received on Tue Jun 03 2003 - 09:45:01 CDT