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idev/dba_index_stats.sql Normal file
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-- +----------------------------------------------------------------------------+
-- | Jeffrey M. Hunter |
-- | jhunter@idevelopment.info |
-- | www.idevelopment.info |
-- |----------------------------------------------------------------------------|
-- | Copyright (c) 1998-2012 Jeffrey M. Hunter. All rights reserved. |
-- |----------------------------------------------------------------------------|
-- | DATABASE : Oracle |
-- | FILE : dba_index_stats.sql |
-- | CLASS : Database Administration |
-- | PURPOSE : Report index statistics. |
-- | NOTE : As with any code, ensure to test this script in a development |
-- | environment before attempting to run it in production. |
-- +----------------------------------------------------------------------------+
SET ECHO OFF
SET FEEDBACK OFF
SET HEADING OFF
SET LINESIZE 180
SET PAGESIZE 50000
SET TERMOUT ON
SET TIMING OFF
SET TRIMOUT ON
SET TRIMSPOOL ON
SET VERIFY OFF
CLEAR COLUMNS
CLEAR BREAKS
CLEAR COMPUTES
PROMPT
PROMPT +------------------------------------------------------------------------+
PROMPT | Calculate Index Statistics for a Specified Index |
PROMPT +------------------------------------------------------------------------+
PROMPT
ACCEPT index_name CHAR prompt 'Enter index name [SCHEMA].index_name : '
COLUMN name newline
COLUMN headsep newline
COLUMN height newline
COLUMN blocks newline
COLUMN lf_rows newline
COLUMN lf_blks newline
COLUMN lf_rows_len newline
COLUMN lf_blk_len newline
COLUMN br_rows newline
COLUMN br_blks newline
COLUMN br_rows_len newline
COLUMN br_blk_len newline
COLUMN del_lf_rows newline
COLUMN del_lf_rows_len newline
COLUMN distinct_keys newline
COLUMN most_repeated_key newline
COLUMN btree_space newline
COLUMN used_space newline
COLUMN pct_used newline
COLUMN rows_per_key newline
COLUMN blks_gets_per_access newline
ANALYZE INDEX &index_name VALIDATE STRUCTURE;
SELECT
name
, '----------------------------------------------------------------------------' headsep
, 'height ' ||to_char(height, '999,999,990') height
, 'blocks ' ||to_char(blocks, '999,999,990') blocks
, 'del_lf_rows ' ||to_char(del_lf_rows,'999,999,990') del_lf_rows
, 'del_lf_rows_len ' ||to_char(del_lf_rows_len,'999,999,990') del_lf_rows_len
, 'distinct_keys ' ||to_char(distinct_keys,'999,999,990') distinct_keys
, 'most_repeated_key ' ||to_char(most_repeated_key,'999,999,990') most_repeated_key
, 'btree_space ' ||to_char(btree_space,'999,999,990') btree_space
, 'used_space ' ||to_char(used_space,'999,999,990') used_space
, 'pct_used ' ||to_char(pct_used,'990') pct_used
, 'rows_per_key ' ||to_char(rows_per_key,'999,999,990') rows_per_key
, 'blks_gets_per_access ' ||to_char(blks_gets_per_access,'999,999,990') blks_gets_per_access
, 'lf_rows ' ||to_char(lf_rows, '999,999,990') || ' ' || +
'br_rows ' ||to_char(br_rows, '999,999,990') br_rows
, 'lf_blks ' ||to_char(lf_blks, '999,999,990') || ' ' || +
'br_blks ' ||to_char(br_blks, '999,999,990') br_blks
, 'lf_rows_len ' ||to_char(lf_rows_len,'999,999,990') || ' ' || +
'br_rows_len ' ||to_char(br_rows_len,'999,999,990') br_rows_len
, 'lf_blk_len ' ||to_char(lf_blk_len, '999,999,990') || ' ' || +
'br_blk_len ' ||to_char(br_blk_len, '999,999,990') br_blk_len
FROM
index_stats
/
UNDEFINE index_name
SET FEEDBACK 6
SET HEADING ON