Wolfgang Gehner <wgehner@infonoia.com> writes:
> This is with PostgreSQL 8.0 final for WindowsXP on a Pentium 1.86 GHz,
> 1GB Memory. HD is fast IDE.
Try something more recent, like 8.0.3 or 8.0.4. IIRC we had some
performance issues in 8.0.0 with tables that grew from zero to large
size during a single session.
regards, tom lane