Re: dba_extents vs dba_segments

  • From: Tim Gorman <tim@xxxxxxxxx>
  • To: genegurevich@xxxxxxxxxxxx
  • Date: Wed, 11 Mar 2009 09:55:09 -0600

Review Metalink notes:

- 463101.1 "HOW TO DISCOVER AND FIX THE MISMATCH BETWEEN DBA_SEGMENTS AND DBA_EXTENTS" - 271030.1 "Difference between BYTES in DBA_SEGMENTS and SUM(BYTES) in DBA_EXTENTS"

There might be more or newer notes as well... lots of forum threads too...


genegurevich@xxxxxxxxxxxx wrote:
Hi everybody:

I am running oracle 10.2.0.3 and it looks like the data in dba_extents and
dba_segmetns views are
not consistent. When I aggregate them on a owner level (select owner,
sum(bytes/1024)/1024 from dba_???)
the results from dba_extents seem to be different from dba_segments.  I
have opened an SR with Oracle
a week ago and so far got nothing.

I'm sure I am not the first to hit this issue - does anyone have a fix for
that?

thank you

Gene Gurevich


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