The truncate is more fast to delete, the truncate command not scan the table
http://www.postgresql.org/docs/8.3/static/sql-truncate.html
--- On Thu, 7/24/08, A. Kretschmer <andreas.kretschmer@schollglas.com> wrote:
> From: A. Kretschmer <andreas.kretschmer@schollglas.com>
> Subject: Re: [SQL] truncate vs. delete
> To: pgsql-sql@postgresql.org
> Date: Thursday, July 24, 2008, 1:53 PM
> am Thu, dem 24.07.2008, um 9:47:48 -0400 mailte Emi Lu
> folgendes:
> > I found a link for SQL Server, it applies to
> PostgreSQL 8.0.x as well?
> >
> http://vadivel.blogspot.com/2004/06/delete-vs-truncate-statement.html
>
> Not realy, for instance, pg can rollback a truncate, and a
> sequence are
> not reset.
>
>
> Andreas
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> Andreas Kretschmer
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