Hello Group, I've tried the VACUUM ANALYSE, that doesn't help much, but VACUUM FULL improves Performance down from about 40 secs to 8. I think in future I would use the reltuples value from pg_class for the table.
Thanks a lot for your answers and a good Sunday,
Det
---------------------------(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
