2026-03-12 20:23:15
This commit is contained in:
root
611
vdh/show_cbo_stats11g.sql
Normal file
611
vdh/show_cbo_stats11g.sql
Normal file
@@ -0,0 +1,611 @@
|
||||
-- setup the reporting environment
|
||||
set linesize 250
|
||||
set pagesize 50000
|
||||
set tab off
|
||||
set long 50000
|
||||
set scan on
|
||||
|
||||
column alignment heading "Alignment" format a12
|
||||
column avg_data_blocks_per_key heading "Average|Data Blocks|Per Key" format 999G999G990
|
||||
column avg_leaf_blocks_per_key heading "Average|Leaf Blocks|Per Key" format 999G999G990
|
||||
column avg_row_len heading "Average|Row Len" format 990
|
||||
column avg_space heading "Average|Space" format 9G990
|
||||
column blev heading "B|Tree|Level" format 90
|
||||
column blevel heading "Blevel" format 999999
|
||||
column blocks heading "Blocks" format 9G999G990
|
||||
column chain_cnt heading "Chain|Count" format 990
|
||||
column clustering_factor heading "Cluster|Factor" format 999G999G990
|
||||
column col heading "Column|Details" format a25
|
||||
column column_expression heading "Expression" format a40
|
||||
column column_length heading "Col|Len" format 990
|
||||
column column_name heading "Column|Name" format a30
|
||||
column column_position heading "Col|Pos" format 990
|
||||
column creator heading "Creator" format a7
|
||||
column density heading "Density" format 990
|
||||
column distinct_keys heading "Distinct|Keys" format 999G999G990
|
||||
column droppable heading "Dropable" format a8
|
||||
column empty_blocks heading "Empty|Blocks" format 999G990
|
||||
column extension heading "Extension" format a100
|
||||
column extension_name heading "Name" format a35
|
||||
column global_stats heading "Global|Stats" format a6
|
||||
column histogram heading "Histogram" format a15
|
||||
column index_name heading "Index|Name" format a30
|
||||
column index_type heading "Index Type" format a15
|
||||
column last_analyzed_str heading "Date|DD/MM/YYYY" format a10
|
||||
column leaf_blocks heading "Leaf|Blks" format 999G999G990
|
||||
column locality heading "Locality" format a8
|
||||
column nbr_directives heading "#Directives" format 9G999G999
|
||||
column nullable heading "Null|Table" format a4
|
||||
column num_buckets heading "Number|Buckets" format 990
|
||||
column num_distinct heading "Distinct|Values" format 999G999G990
|
||||
column num_nulls heading "Number|Nulls" format 999G999G990
|
||||
column num_rows heading "Number|Of Rows" format 999G999G990
|
||||
column object_name heading "Object Name" format a30
|
||||
column object_type heading "Object Type" format a15
|
||||
column partition_name heading "Partition|Name" format a30
|
||||
column partition_type heading "Partition|Type" format a9
|
||||
column sample_size heading "Sample|Size" format 999G999G990
|
||||
column stale_stats heading "Stale" format a5
|
||||
column stattype_locked heading "Stats|Lock" format a5
|
||||
column status heading "Status" format a6
|
||||
column subobject_name heading "Sub Object Name" format a30
|
||||
column subpartition_name heading "Subpartition|Name" format a30
|
||||
column subpartition_type heading "Sub Partition|Type" format a13
|
||||
column table_name heading "Table|Name" format a30
|
||||
column uniqueness heading "Unique" format a9
|
||||
column user_stats heading "User|Stats" format a6
|
||||
|
||||
-- cleanup any dangling variables
|
||||
undefine _owner
|
||||
undefine _table_name
|
||||
undefine _table_stats
|
||||
undefine _tab_part_name
|
||||
undefine _tab_subpart_name
|
||||
undefine _column_stats
|
||||
undefine _index_stats
|
||||
undefine _index_name
|
||||
undefine _ind_part_name
|
||||
undefine _ind_subpart_name
|
||||
undefine _cbo_directives
|
||||
undefine _default_owner
|
||||
|
||||
-- grab the curent user
|
||||
set verify off
|
||||
set feedback off
|
||||
set termout off
|
||||
column uservar new_value _default_owner noprint
|
||||
select user uservar from dual;
|
||||
set termout on
|
||||
|
||||
-- get the user options on which part of the report should be shown and the filters to be applied
|
||||
prompt
|
||||
accept _owner default &_default_owner prompt 'Table owner (default &_default_owner): '
|
||||
accept _table_name prompt 'Table name: '
|
||||
accept _table_stats default 'YES' prompt 'Display table stats (YES|NO, default YES): '
|
||||
accept _tab_part_name default '' prompt 'Table partition name (default = no filter, / = none): '
|
||||
accept _tab_subpart_name default '' prompt 'Table sub partition name (default = no filter, / = none): '
|
||||
accept _column_stats default 'YES' prompt 'Display column statistics (YES|NO, default YES): '
|
||||
accept _index_stats default 'NO' prompt 'Display index statistics (YES|NO, default NO): '
|
||||
accept _index_name default '' prompt 'Index name (default = no filter): '
|
||||
accept _ind_part_name default '' prompt 'Index partition name (default = no filter, / = none): '
|
||||
accept _ind_subpart_name default '' prompt 'Index sub partition name (default = no filter, / = none): '
|
||||
prompt
|
||||
|
||||
-- use a refcursor and autoprint to allow parts of the report to be toggled on and off
|
||||
var c_result refcursor
|
||||
set autoprint on
|
||||
set serveroutput on
|
||||
|
||||
-- actual reporting starts here
|
||||
|
||||
|
||||
-- table statistics
|
||||
break on object_type skip 1 duplicates
|
||||
BEGIN
|
||||
|
||||
if upper('&_table_stats') = 'YES'
|
||||
then
|
||||
|
||||
dbms_output.new_line;
|
||||
dbms_output.new_line;
|
||||
dbms_output.put_line('********************************************');
|
||||
dbms_output.put_line('Table \ Partition \ Subpartition Statistics');
|
||||
dbms_output.put_line('********************************************');
|
||||
|
||||
open :c_result for
|
||||
select
|
||||
table_name,
|
||||
partition_name,
|
||||
subpartition_name,
|
||||
object_type,
|
||||
num_rows,
|
||||
blocks,
|
||||
empty_blocks,
|
||||
avg_space,
|
||||
chain_cnt,
|
||||
avg_row_len,
|
||||
global_stats,
|
||||
user_stats,
|
||||
sample_size,
|
||||
stattype_locked,
|
||||
to_char(last_analyzed,'DD/MM/YYYY') last_analyzed_str,
|
||||
stale_stats
|
||||
from
|
||||
dba_tab_statistics
|
||||
where
|
||||
--filter the table stats on the given owner and table name
|
||||
owner = '&_owner'
|
||||
and table_name = '&_table_name'
|
||||
--apply optional filter on the partitions listed
|
||||
and ( partition_name = nvl('&_tab_part_name', partition_name)
|
||||
or partition_name is null
|
||||
or subpartition_name = nvl('&_tab_subpart_name', subpartition_name)
|
||||
)
|
||||
--apply optional filter on the sub partitions listed
|
||||
and ( subpartition_name = nvl('&_tab_subpart_name', subpartition_name)
|
||||
or subpartition_name is null
|
||||
)
|
||||
order by
|
||||
partition_position nulls first,
|
||||
subpartition_position nulls first
|
||||
;
|
||||
|
||||
else
|
||||
|
||||
open :c_result for
|
||||
select
|
||||
*
|
||||
from
|
||||
dual
|
||||
where
|
||||
1 = 0
|
||||
;
|
||||
|
||||
end if;
|
||||
|
||||
END;
|
||||
/
|
||||
|
||||
clear breaks
|
||||
|
||||
-- extented statistics definitions
|
||||
BEGIN
|
||||
|
||||
if upper('&_column_stats') = 'YES'
|
||||
then
|
||||
|
||||
dbms_output.new_line;
|
||||
dbms_output.new_line;
|
||||
dbms_output.put_line('********************************');
|
||||
dbms_output.put_line('Extented Statistics Definitions');
|
||||
dbms_output.put_line('********************************');
|
||||
|
||||
open :c_result for
|
||||
select
|
||||
extension_name,
|
||||
extension,
|
||||
creator,
|
||||
droppable
|
||||
from
|
||||
dba_stat_extensions
|
||||
where
|
||||
--filter the extented stats def on the given owner and table name
|
||||
owner = '&_owner'
|
||||
and table_name = '&_table_name'
|
||||
order by
|
||||
extension_name
|
||||
;
|
||||
|
||||
else
|
||||
|
||||
open :c_result for
|
||||
select
|
||||
*
|
||||
from
|
||||
dual
|
||||
where
|
||||
1 = 0
|
||||
;
|
||||
|
||||
end if;
|
||||
|
||||
END;
|
||||
/
|
||||
|
||||
|
||||
-- column statistics
|
||||
BEGIN
|
||||
|
||||
if upper('&_column_stats') = 'YES'
|
||||
then
|
||||
|
||||
dbms_output.new_line;
|
||||
dbms_output.new_line;
|
||||
dbms_output.put_line('******************************');
|
||||
dbms_output.put_line('Table level Column Statistics');
|
||||
dbms_output.put_line('******************************');
|
||||
|
||||
-- unlike the *_(sub)part_tab_col_statistics views, the *_tab_col_statistics view only contains records
|
||||
-- for the columns with statistics, requiring the dba_tab_columns to be used instead.
|
||||
-- but dba_tab_columns does not include the "columns" of extented statistics
|
||||
-- that is why a full outer join is done between dba_tab_columns and dba_tab_col_statistics
|
||||
open :c_result for
|
||||
select
|
||||
nvl(atc.column_name, atcs.column_name) column_name,
|
||||
nvl2(atc.column_name, decode( atc.data_type,
|
||||
'NUMBER', atc.data_type || '(' || decode(atc.data_precision,null, data_length || ')', atc.data_precision || ',' || atc.data_scale ||')'),
|
||||
'DATE', atc.data_type,
|
||||
'LONG', atc.data_type,
|
||||
'LONG RAW', atc.data_type,
|
||||
'ROWID', atc.data_type,
|
||||
'MLSLABEL', atc.data_type,
|
||||
atc.data_type || '(' || atc.data_length || ')'
|
||||
) ||' ' || decode(atc.nullable, 'N', 'NOT NULL', 'n', 'NOT NULL', ''), '') col,
|
||||
nvl(atc.num_distinct, atcs.num_distinct) num_distinct,
|
||||
nvl(atc.density,atcs.density) density,
|
||||
nvl(atc.histogram,atcs.histogram) histogram,
|
||||
nvl(atc.num_buckets,atcs.num_buckets) num_buckets,
|
||||
nvl(atc.num_nulls,atcs.num_nulls) num_nulls,
|
||||
nvl(atc.global_stats,atcs.global_stats) global_stats,
|
||||
nvl(atc.user_stats,atcs.user_stats) user_stats,
|
||||
nvl(atc.sample_size,atcs.sample_size) sample_size,
|
||||
to_char(nvl(atc.last_analyzed, atcs.last_analyzed),'DD/MM/YYYY') last_analyzed_str
|
||||
from
|
||||
dba_tab_columns atc
|
||||
full outer join dba_tab_col_statistics atcs
|
||||
on ( atc.owner = atcs.owner
|
||||
and atc.table_name = atcs.table_name
|
||||
and atc.column_name = atcs.column_name
|
||||
)
|
||||
where
|
||||
--filter the column statistics on the given owner and table name (for both tables due to the full outer join)
|
||||
( ( atcs.owner = '&_owner'
|
||||
and atcs.table_name = '&_table_name'
|
||||
)
|
||||
or atcs.owner is null
|
||||
)
|
||||
and ( ( atc.owner = '&_owner'
|
||||
and atc.table_name = '&_table_name'
|
||||
)
|
||||
or atc.owner is null
|
||||
)
|
||||
order by
|
||||
atc.column_id nulls last,
|
||||
atcs.column_name
|
||||
;
|
||||
|
||||
else
|
||||
|
||||
open :c_result for
|
||||
select
|
||||
*
|
||||
from
|
||||
dual
|
||||
where
|
||||
1 = 0
|
||||
;
|
||||
|
||||
end if;
|
||||
|
||||
END;
|
||||
/
|
||||
|
||||
|
||||
-- partition level column statistics
|
||||
break on partition_name skip 1
|
||||
|
||||
BEGIN
|
||||
|
||||
if upper('&_column_stats') = 'YES'
|
||||
then
|
||||
|
||||
dbms_output.new_line;
|
||||
dbms_output.new_line;
|
||||
dbms_output.put_line('**********************************');
|
||||
dbms_output.put_line('Partition Level Column Statistics');
|
||||
dbms_output.put_line('**********************************');
|
||||
|
||||
open :c_result for
|
||||
select
|
||||
atp.partition_name,
|
||||
apcs.column_name,
|
||||
apcs.num_distinct,
|
||||
apcs.density,
|
||||
apcs.histogram,
|
||||
apcs.num_buckets,
|
||||
apcs.num_nulls,
|
||||
apcs.global_stats,
|
||||
apcs.user_stats,
|
||||
apcs.sample_size,
|
||||
to_char(apcs.last_analyzed,'DD/MM/YYYY') last_analyzed_str
|
||||
from
|
||||
dba_tab_partitions atp
|
||||
join dba_part_col_statistics apcs
|
||||
on ( atp.table_owner = apcs.owner
|
||||
and atp.table_name = apcs.table_name
|
||||
and atp.partition_name = apcs.partition_name
|
||||
)
|
||||
left outer join dba_tab_columns atc
|
||||
on ( apcs.owner = atc.owner
|
||||
and apcs.table_name = atc.table_name
|
||||
and apcs.column_name = atc.column_name
|
||||
)
|
||||
where
|
||||
--filter the column statistics on the given owner and table name
|
||||
atp.table_owner = '&_owner'
|
||||
and atp.table_name = '&_table_name'
|
||||
--apply optional filter on the partitions listed
|
||||
and atp.partition_name = nvl('&_tab_part_name', atp.partition_name)
|
||||
order by
|
||||
atp.partition_position,
|
||||
atc.column_id nulls last,
|
||||
apcs.column_name
|
||||
;
|
||||
|
||||
else
|
||||
|
||||
open :c_result for
|
||||
select
|
||||
*
|
||||
from
|
||||
dual
|
||||
where
|
||||
1 = 0
|
||||
;
|
||||
|
||||
end if;
|
||||
|
||||
END;
|
||||
/
|
||||
|
||||
clear breaks
|
||||
|
||||
|
||||
-- sub partition level column statistics
|
||||
break on partition_name skip 2 on subpartition_name skip 1
|
||||
|
||||
BEGIN
|
||||
|
||||
if upper('&_column_stats') = 'YES'
|
||||
then
|
||||
|
||||
dbms_output.new_line;
|
||||
dbms_output.new_line;
|
||||
dbms_output.put_line('**************************************');
|
||||
dbms_output.put_line('Sub Partition Level Column Statistics');
|
||||
dbms_output.put_line('**************************************');
|
||||
|
||||
open :c_result for
|
||||
select
|
||||
atsp.partition_name,
|
||||
atsp.subpartition_name,
|
||||
ascs.column_name,
|
||||
ascs.num_distinct,
|
||||
ascs.density,
|
||||
ascs.histogram,
|
||||
ascs.num_buckets,
|
||||
ascs.num_nulls,
|
||||
ascs.global_stats,
|
||||
ascs.user_stats,
|
||||
ascs.sample_size,
|
||||
to_char(ascs.last_analyzed,'DD/MM/YYYY') last_analyzed_str
|
||||
from
|
||||
dba_tab_partitions atp
|
||||
join dba_tab_subpartitions atsp
|
||||
on ( atp.table_owner = atsp.table_owner
|
||||
and atp.table_name = atsp.table_name
|
||||
and atp.partition_name = atsp.partition_name
|
||||
)
|
||||
join dba_subpart_col_statistics ascs
|
||||
on ( atsp.table_owner = ascs.owner
|
||||
and atsp.table_name = ascs.table_name
|
||||
and atsp.subpartition_name = ascs.subpartition_name
|
||||
)
|
||||
left outer join dba_tab_columns atc
|
||||
on ( ascs.owner = atc.owner
|
||||
and ascs.table_name = atc.table_name
|
||||
and ascs.column_name = atc.column_name
|
||||
)
|
||||
where
|
||||
--filter the column statistics on the given owner and table name
|
||||
atp.table_owner = '&_owner'
|
||||
and atp.table_name = '&_table_name'
|
||||
--apply optional filter on the partitions listed
|
||||
and ( atsp.partition_name = nvl('&_tab_part_name', atsp.partition_name)
|
||||
or atsp.subpartition_name = nvl('&_tab_subpart_name', atsp.subpartition_name)
|
||||
)
|
||||
--apply optional filter on the sub partitions listed
|
||||
and atsp.subpartition_name = nvl('&_tab_subpart_name', atsp.subpartition_name)
|
||||
order by
|
||||
atp.partition_position,
|
||||
atsp.subpartition_position,
|
||||
atc.column_id nulls last,
|
||||
ascs.column_name
|
||||
;
|
||||
|
||||
else
|
||||
|
||||
open :c_result for
|
||||
select
|
||||
*
|
||||
from
|
||||
dual
|
||||
where
|
||||
1 = 0
|
||||
;
|
||||
|
||||
end if;
|
||||
|
||||
END;
|
||||
/
|
||||
|
||||
clear breaks
|
||||
|
||||
|
||||
-- index definitions
|
||||
break on index_name skip page
|
||||
|
||||
BEGIN
|
||||
|
||||
if upper('&_index_stats') = 'YES'
|
||||
then
|
||||
|
||||
dbms_output.new_line;
|
||||
dbms_output.put_line('*********************************************');
|
||||
dbms_output.put_line('Index (Partition \ Subpartition) Statistics');
|
||||
dbms_output.put_line('*********************************************');
|
||||
dbms_output.new_line;
|
||||
|
||||
dbms_output.put_line('Index Definitions');
|
||||
dbms_output.put_line('------------------');
|
||||
|
||||
open :c_result for
|
||||
select
|
||||
ind.index_name,
|
||||
ind.index_type,
|
||||
decode(ind.uniqueness,'UNIQUE', 'Y', 'N') uniqueness,
|
||||
ind.status,
|
||||
inc.column_position,
|
||||
inc.column_name,
|
||||
ine.column_expression,
|
||||
inp.partitioning_type,
|
||||
inp.subpartitioning_type,
|
||||
inp.locality,
|
||||
inp.alignment
|
||||
from
|
||||
dba_indexes ind
|
||||
join dba_ind_columns inc
|
||||
on ( inc.index_owner = ind.owner
|
||||
and inc.index_name = ind.index_name
|
||||
)
|
||||
left outer join dba_ind_expressions ine
|
||||
on ( ine.index_owner = inc.index_owner
|
||||
and ine.index_name = inc.index_name
|
||||
and ine.column_position = inc.column_position
|
||||
)
|
||||
left outer join dba_part_indexes inp
|
||||
on ( inp.owner = ind.owner
|
||||
and inp.index_name = ind.index_name
|
||||
)
|
||||
where
|
||||
--filter the indexes on the given owner and table name
|
||||
ind.table_owner = '&_owner'
|
||||
and ind.table_name = '&_table_name'
|
||||
--apply optional filter on the indexes listed
|
||||
and ind.index_name = nvl('&_index_name', ind.index_name)
|
||||
order by
|
||||
ind.index_name,
|
||||
inc.column_position
|
||||
;
|
||||
|
||||
else
|
||||
|
||||
open :c_result for
|
||||
select
|
||||
*
|
||||
from
|
||||
dual
|
||||
where
|
||||
1 = 0
|
||||
;
|
||||
|
||||
end if;
|
||||
|
||||
END;
|
||||
/
|
||||
|
||||
clear breaks
|
||||
|
||||
|
||||
-- index statistics
|
||||
break on index_name skip page on partition_name skip 1
|
||||
|
||||
BEGIN
|
||||
|
||||
if upper('&_index_stats') = 'YES'
|
||||
then
|
||||
|
||||
dbms_output.new_line;
|
||||
dbms_output.new_line;
|
||||
dbms_output.put_line('Index Statistics');
|
||||
dbms_output.put_line('-----------------');
|
||||
|
||||
open :c_result for
|
||||
select
|
||||
index_name,
|
||||
partition_name,
|
||||
subpartition_name,
|
||||
blevel,
|
||||
leaf_blocks,
|
||||
distinct_keys,
|
||||
avg_leaf_blocks_per_key,
|
||||
avg_data_blocks_per_key,
|
||||
clustering_factor,
|
||||
num_rows,
|
||||
sample_size,
|
||||
to_char(last_analyzed, 'DD/MM/YYYY') last_analyzed_str,
|
||||
user_stats,
|
||||
global_stats,
|
||||
stattype_locked,
|
||||
stale_stats
|
||||
from
|
||||
dba_ind_statistics
|
||||
where
|
||||
--filter the indexes on the given owner and table name
|
||||
table_owner = '&_owner'
|
||||
and table_name = '&_table_name'
|
||||
--apply optional filter on the indexes listed
|
||||
and index_name = nvl('&_index_name', index_name)
|
||||
--apply optional filter on the partitions listed
|
||||
and ( partition_name = nvl('&_ind_part_name', partition_name)
|
||||
or partition_name is null
|
||||
or subpartition_name = '&_ind_subpart_name'
|
||||
)
|
||||
--apply optional filter on the sub partitions listed
|
||||
and ( subpartition_name = nvl('&_ind_subpart_name', subpartition_name)
|
||||
or subpartition_name is null
|
||||
)
|
||||
order by
|
||||
index_name,
|
||||
partition_position nulls first,
|
||||
subpartition_position nulls first
|
||||
;
|
||||
|
||||
else
|
||||
|
||||
open :c_result for
|
||||
select
|
||||
*
|
||||
from
|
||||
dual
|
||||
where
|
||||
1 = 0
|
||||
;
|
||||
|
||||
end if;
|
||||
|
||||
END;
|
||||
/
|
||||
|
||||
clear breaks
|
||||
|
||||
|
||||
prompt
|
||||
|
||||
-- cleanup the environment
|
||||
undefine _owner
|
||||
undefine _table_name
|
||||
undefine _table_stats
|
||||
undefine _tab_part_name
|
||||
undefine _tab_subpart_name
|
||||
undefine _column_stats
|
||||
undefine _index_stats
|
||||
undefine _index_name
|
||||
undefine _ind_part_name
|
||||
undefine _ind_subpart_name
|
||||
undefine _cbo_directives
|
||||
undefine _default_owner
|
||||
|
||||
set autoprint off
|
||||
|
||||
-- the end
|
||||
Reference in New Issue
Block a user