82 lines
3.1 KiB
SQL
82 lines
3.1 KiB
SQL
-- +----------------------------------------------------------------------------+
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-- | Jeffrey M. Hunter |
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-- | jhunter@idevelopment.info |
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-- | www.idevelopment.info |
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-- |----------------------------------------------------------------------------|
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-- | Copyright (c) 1998-2012 Jeffrey M. Hunter. All rights reserved. |
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-- |----------------------------------------------------------------------------|
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-- | DATABASE : Oracle |
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-- | FILE : dba_top_segments.sql |
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-- | CLASS : Database Administration |
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-- | PURPOSE : Provides a report on the top segments (in bytes) grouped by |
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-- | Segment Type. |
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-- | NOTE : As with any code, ensure to test this script in a development |
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-- | environment before attempting to run it in production. |
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-- +----------------------------------------------------------------------------+
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SET TERMOUT OFF;
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COLUMN current_instance NEW_VALUE current_instance NOPRINT;
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SELECT rpad(instance_name, 17) current_instance FROM v$instance;
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SET TERMOUT ON;
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PROMPT
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PROMPT +------------------------------------------------------------------------+
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PROMPT | Report : Top Segments |
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PROMPT | Instance : ¤t_instance |
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PROMPT +------------------------------------------------------------------------+
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SET ECHO OFF
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SET FEEDBACK 6
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SET HEADING ON
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SET LINESIZE 180
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SET PAGESIZE 50000
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SET TERMOUT ON
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SET TIMING OFF
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SET TRIMOUT ON
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SET TRIMSPOOL ON
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SET VERIFY OFF
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CLEAR COLUMNS
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CLEAR BREAKS
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CLEAR COMPUTES
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COLUMN segment_type FORMAT A20 HEADING 'Segment Type'
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COLUMN owner FORMAT A15 HEADING 'Owner'
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COLUMN segment_name FORMAT A30 HEADING 'Segment Name'
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COLUMN partition_name FORMAT A30 HEADING 'Partition Name'
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COLUMN tablespace_name FORMAT A20 HEADING 'Tablespace Name'
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COLUMN bytes FORMAT 9,999,999,999,999 HEADING 'Size (in bytes)'
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COLUMN extents FORMAT 999,999,999 HEADING 'Extents'
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BREAK ON segment_type SKIP 1
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COMPUTE sum OF bytes ON segment_type
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SELECT
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a.segment_type segment_type
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, a.owner owner
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, a.segment_name segment_name
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, a.partition_name partition_name
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, a.tablespace_name tablespace_name
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, a.bytes bytes
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, a.extents extents
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FROM
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(select
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b.segment_type
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, b.owner
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, b.segment_name
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, b.partition_name
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, b.tablespace_name
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, b.bytes
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, b.extents
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from
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dba_segments b
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order by
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b.bytes desc
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) a
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WHERE
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rownum < 101
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ORDER BY
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segment_type, bytes desc, owner, segment_name
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/
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