On Sat, 06 Nov 2004 11:52:15 -0800, Carlos Lopez wrote: > I have migrated a database from MS SQL to a > postgresSQL database, but when running it, the results > are very slow (and unusable) which is the only reason > we don't entirely move to postgresSQL. Have you run ANALYZE lately? (See manual.) Do you know how to use EXPLAIN? (See manual.) If so: Please post an example query which is slow, and the corresponding output from EXPLAIN. Have you tried turning your random_page_cost a bit down? (My experience its value should generally be lessened.) Have you read http://www.varlena.com/varlena/GeneralBits/Tidbits/perf.html ? > The biggest table has about 300k records (isn't it too > little for having performance problems?) That should be no problem. -- Greetings from Troels Arvin, Copenhagen, Denmark