Wolfgang Gehner <[EMAIL PROTECTED]> 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

---------------------------(end of broadcast)---------------------------
TIP 9: In versions below 8.0, the planner will ignore your desire to
       choose an index scan if your joining column's datatypes do not
       match

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