set lines 10000
set pages 10000
set feedback off
set echo off
set term off
spool vg.sql
select 'select * from ( ' from dual 
union all
SELECT 'SELECT ''' || owner || '.' || name || ''' as queue ' 
    || chr(13)|| ', ''' || q.queue_table || ''' as "QueueTable"'     
    || chr(13)|| ', ' || '(select ROUND(sum(bytes)/power(1024,2)) from dba_segments s where s.owner = ''' || owner || ''' and s.segment_name = ''' ||  q.queue_table || ''') as "Size(MB)"' 
     || chr(13)||  ', ' || '(select count(1) from ' || owner || '.' || queue_table || ') as row_count' 
     || chr(13)||  ', ' || retention || ' retention from dual union all' 
FROM dba_queues q where q.owner like 'TRAF%' and q.queue_type ='NORMAL_QUEUE'
union all
select ' select ''abc'' queue, '''' queuetable ,0 "Size(MB)" , 1 rowcount,1 retention from dual' from dual
union all
select ') order by "Size(MB)" desc ; ' from dual 
;

spool off
@html @./vg.sql