RE: Weird Objects in DBA_SEGMENTS
- From: "Mercadante, Thomas F (LABOR)" <Thomas.Mercadante@xxxxxxxxxxxxxxxxx>
- To: <awells@xxxxxxxxxxxx>, <oracle-l@xxxxxxxxxxxxx>
- Date: Wed, 16 Apr 2008 13:54:30 -0400
April,
Log onto the segment owner via sqlplus and issue a "purge recyclebin"
command. Thse will go away.
You didn't say - but you are 10g. Now when you drop anything, it goes
into the recyclebin.
Rather annoying if you ask me!
Tom
________________________________
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of April Wells
Sent: Wednesday, April 16, 2008 1:42 PM
To: oracle-l@xxxxxxxxxxxxx
Subject: Weird Objects in DBA_SEGMENTS
I have spent the morning cleaning out a tablespace in an attempt to
reclaim 800 GB of space and clean up my production data warehouse. To
this end... I ran a BUNCH of
ALTER TABLE <table> move tablespace <tablespace>;
It "appeared" clean... nothing in dba_tables or dba_indexes.
However, my life can't be that simple.
The paranoid dba on my left shoulder urged me to look at dba_segments...
so I did.
select owner, segment_name, partition_name, tablespace_name,
segment_type from dba_segments where tablespace_name = 'STAGEDAT01';
there are a bunch of segments named similar to
BIN$Rxl0mZVtGWjgRAADupYzGQ==$0
They "apparently" are tables and indexes.
There are, however, apparently no actual extents... because
select * from dba_extents where tablespace_name = 'STAGEDAT01';
returns only the plan table that I want to drop anyway
anyone have any ideas on what these BIN segments are?
Thanks in advance.
ajw
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