RE: How to calculate size of table including size of its indexes too.
- From: "Michael McMullen" <ganstadba@xxxxxxxxxxx>
- To: <hansrajsao@xxxxxxxxx>
- Date: Tue, 22 Jan 2008 13:28:03 -0500
Something like this as a "start". I just did it for one table to test, and
you would need to use an analytical/case/decode to get only one value for
the table segment.
I said this is a "start". It will return single-row subquery errors for
partitioned tables and not return anything if a table doesn't have indexes.
So maybe not much help at all.
select z.segment_name,z.table_bytes,z.index_name,(select c.bytes/1024/1024
from
dba_segments c
where z.index_name=
c.segment_name)index_bytes
from
(
select a.segment_name,a.bytes/1024/1024 table_bytes,b.index_name
from
dba_segments a, dba_indexes b
where
segment_name = 'MY_SEGMENT'
and a.owner = 'MY_OWNER'
and
a.segment_name = b.table_name
) z
order by 1,3
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