update imsld_property_instances set value = :value where instance_id = :instance_id select status_date from imsld_runs where run_id = :run_id and status = 'started' select status_date from imsld_status_user where run_id = :run_id and user_id = :user_id and status = 'started' update imsld_attribute_instances set is_visible_p = :is_visible_p, with_control_p = :with_control_p, title = :title where run_id = :run_id and user_id = :user_id and identifier = :class and type = 'class' update imsld_attribute_instances set is_visible_p = :is_visible_p where run_id = :run_id and user_id = :user_id and identifier = :identifier and type = 'isvisible'