Обсуждение: multirow insert

am  Fri, dem 13.07.2007, um 18:50:26 +0200 mailte Zlatko Mati? folgendes:
> When using multirow INSERT INTO...VALUES command, are all rows inserted in a
> batch, or row by row?

Within one transaction, yes.

Andreas
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Andreas Kretschmer
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On Jul 13, 2007, at 2:11 PM, A. Kretschmer wrote:

>
> am  Fri, dem 13.07.2007, um 18:50:26 +0200 mailte Zlatko Mati?
> folgendes:
>> When using multirow INSERT INTO...VALUES command, are all rows
>> inserted in a
>> batch, or row by row?
>
> Within one transaction, yes.

Trust me... It's MUCH faster then trying to do each insert.

I have a little program that was a 100x improvement in performance by
changing my SQL to use INSERT INTO ... VALUES

Le samedi 14 juillet 2007, Tom Allison a écrit :
> On Jul 13, 2007, at 2:11 PM, A. Kretschmer wrote:
> > am  Fri, dem 13.07.2007, um 18:50:26 +0200 mailte Zlatko Mati?
> >
> > folgendes:
> >> When using multirow INSERT INTO...VALUES command, are all rows
> >> inserted in a
> >> batch, or row by row?
> >
> > Within one transaction, yes.
>
> Trust me... It's MUCH faster then trying to do each insert.

Or read this article about the case:

http://www.depesz.com/index.php/2007/07/05/how-to-insert-data-to-database-as-fast-as-possible/

Regards,
--
dim