"Dan Halbert" <halbert@xxxxxxxxxxx> writes: > I have a table with four columns. Three of those columns are defined > as the composite primary key. Does it make sense to create indexes on > any or all of those three columns individually for performance > reasons? Please see http://www.postgresql.org/docs/9.0/static/indexes.html particularly sections 11.3 and 11.5. regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general