1. 2012-09-28 Re: [PERFORM] Query plan, nested EXISTS pgsql-per Matt Daw 2. 2012-09-28 Re: [PERFORM] Query plan, nested EXISTS pgsql-per Matt Daw 3. 2012-09-28 Re: [PERFORM] Query plan, nested EXISTS pgsql-per Tom Lane 4. 2012-09-28 [PERFORM] Query plan, nested EXISTS pgsql-per Matt Daw