SELECT basic_workstation."id", basic_workstation.workstation_no, basic_workstation.name, basic_workstation.type, basic_workstation.remark FROM basic_workstation WHERE active = true and basic_workstation."id" NOT IN ( SELECT basic_workstation."id" FROM basic_workstation, aps_resource WHERE aps_resource.workstation_id = basic_workstation."id" and aps_resource.active = TRUE )