93 lines
4.5 KiB
MySQL
93 lines
4.5 KiB
MySQL
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-- +----------------------------------------------------------------------------+
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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_index_stats.sql |
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-- | CLASS : Database Administration |
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-- | PURPOSE : Report index statistics. |
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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 ECHO OFF
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SET FEEDBACK OFF
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SET HEADING OFF
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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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PROMPT
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PROMPT +------------------------------------------------------------------------+
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PROMPT | Calculate Index Statistics for a Specified Index |
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PROMPT +------------------------------------------------------------------------+
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PROMPT
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ACCEPT index_name CHAR prompt 'Enter index name [SCHEMA].index_name : '
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COLUMN name newline
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COLUMN headsep newline
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COLUMN height newline
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COLUMN blocks newline
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COLUMN lf_rows newline
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COLUMN lf_blks newline
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COLUMN lf_rows_len newline
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COLUMN lf_blk_len newline
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COLUMN br_rows newline
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COLUMN br_blks newline
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COLUMN br_rows_len newline
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COLUMN br_blk_len newline
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COLUMN del_lf_rows newline
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COLUMN del_lf_rows_len newline
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COLUMN distinct_keys newline
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COLUMN most_repeated_key newline
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COLUMN btree_space newline
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COLUMN used_space newline
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COLUMN pct_used newline
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COLUMN rows_per_key newline
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COLUMN blks_gets_per_access newline
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ANALYZE INDEX &index_name VALIDATE STRUCTURE;
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SELECT
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name
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, '----------------------------------------------------------------------------' headsep
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, 'height ' ||to_char(height, '999,999,990') height
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, 'blocks ' ||to_char(blocks, '999,999,990') blocks
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, 'del_lf_rows ' ||to_char(del_lf_rows,'999,999,990') del_lf_rows
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, 'del_lf_rows_len ' ||to_char(del_lf_rows_len,'999,999,990') del_lf_rows_len
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, 'distinct_keys ' ||to_char(distinct_keys,'999,999,990') distinct_keys
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, 'most_repeated_key ' ||to_char(most_repeated_key,'999,999,990') most_repeated_key
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, 'btree_space ' ||to_char(btree_space,'999,999,990') btree_space
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, 'used_space ' ||to_char(used_space,'999,999,990') used_space
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, 'pct_used ' ||to_char(pct_used,'990') pct_used
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, 'rows_per_key ' ||to_char(rows_per_key,'999,999,990') rows_per_key
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, 'blks_gets_per_access ' ||to_char(blks_gets_per_access,'999,999,990') blks_gets_per_access
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, 'lf_rows ' ||to_char(lf_rows, '999,999,990') || ' ' || +
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'br_rows ' ||to_char(br_rows, '999,999,990') br_rows
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, 'lf_blks ' ||to_char(lf_blks, '999,999,990') || ' ' || +
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'br_blks ' ||to_char(br_blks, '999,999,990') br_blks
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, 'lf_rows_len ' ||to_char(lf_rows_len,'999,999,990') || ' ' || +
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'br_rows_len ' ||to_char(br_rows_len,'999,999,990') br_rows_len
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, 'lf_blk_len ' ||to_char(lf_blk_len, '999,999,990') || ' ' || +
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'br_blk_len ' ||to_char(br_blk_len, '999,999,990') br_blk_len
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FROM
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index_stats
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/
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UNDEFINE index_name
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SET FEEDBACK 6
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SET HEADING ON
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