Check when was materialised view got refreshed

Checking when was the MV got refreshed last time:

alter session set nls_date_format = 'DD-MON-YY HH24:MI:SS';

column Owner format a14

column master_owner format a14

select distinct owner,

name mview,

master_owner master_owner,

last_refresh

from dba_mview_refresh_times;

set long 4000

alter session set nls_date_format='DD-MON-YYYY HH24:MI:SS';

select query, rewrite_enabled, refresh_mode rmode, refresh_method rmethod,

last_refresh_date, last_refresh_type rtype, staleness, compile_state,

build_mode bmode, fast_refreshable ref_fast

from dba_mviews where mview_name = '';