Saturday, January 7, 2012, 3:02:10 PM you wrote: > • insert into live from temp where col1, col2 and col3 not exists in > live 'not exists' is something I'm trying to avoid, even if the optimizer is able to handle it. -- Jochen Erwied | home: jochen@xxxxxxxxx +49-208-38800-18, FAX: -19 Sauerbruchstr. 17 | work: joe@xxxxxxxxxxxxxxx +49-2151-7294-24, FAX: -50 D-45470 Muelheim | mobile: jochen.erwied@xxxxxxxxxxx +49-173-5404164 -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance