RE: DBA_SEGMENTS invalid? or slow?
- From: "Powell, Mark D" <mark.powell@xxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Fri, 9 Sep 2005 13:12:32 -0400
The truncate command never releases the initial extent of the table or
its associated indexes if any. In the future I have heard Oracle is
going to support defining tables and indexes without allocating storage.
But at present if the table/index exists it takes at least one extent.
HTH -- Mark D Powell --
________________________________
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Kline.Michael
Sent: Thursday, September 08, 2005 11:43 PM
To: oracle-l@xxxxxxxxxxxxx
Subject: DBA_SEGMENTS invalid? or slow?
When I query dba_segments I get:
owner segment_name partition_name segment_type tablespace_name
header_file header_block bytes blocks extents
initial_extent next_extent min_extents max_extents pct_increase
freelists freelist_groups relative_fno buffer_pool
REPADMIN T_INSTRU_LDGR T_INSTRU_LDGR_200504 TABLE PARTITION
TS_LDGR_M2 71 1289 2212495360 270080 211 10485760
10485760 1 2147483645 0 1 1 71 DEFAULT
Yet, when I map the tablespace, there are no extents. We have done a
truncate of the partition with a drop storage, and it shows storage.
What's up with this?
Database is 9.2.0.6
HP-UX.
Michael Kline
Database Administration
SunTrust Banks, Inc.
Mail Code TOC-7505
1030 Wilmer Avenue
Richmond, Va. 23227
Tel: 804.261.9446 Net: 643.9446
Cell: 804.744.1545
michael.kline@xxxxxxxxxxxx <mailto:michael.kline@xxxxxxxxxxxx>
Seeing beyond Money(sm)
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