How Find Large Object in DB

This is small script how oracle developer can find large object in oracle DB for a schema.

script :

select round(sum(s),2),t
from (
select sum(b.bytes)/1024/1024/1024 s, a.table_name t from dba_indexes a, dba_segments b
where b.segment_type in ('INDEX','INDEX PARTITION')
and a.index_name=b.segment_name
and a.owner=&SCHEMA
group by a.table_name

union all

select sum(a.bytes)/1024/1024/1024 s,a.segment_name t from dba_segments a
where a.owner=&SCHEMA
and a.segment_type in ('TABLE','TABLE PARTITION')
group by a.segment_name

union all

select sum(b.bytes)/1024/1024/1024 s,a.table_name t from dba_lobs a, dba_segments b
where a.owner=&SCHEMA
and a.segment_name=b.segment_name
group by a.table_name

)
group by t
order by 1 desc