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Detect if Bitmap Index is used
Oracle Database Tips by Donald BurlesonJune 5, 2016 |
Question: What do
I run to see if Oracle Bitmap Index option is in-use?
Answer: To see if your instance is
using Oracle Bitmap Index, run this query:
prompt
*******************************************************
prompt This script will count
all index types
prompt for non-standard schema
owners
prompt
*******************************************************
set pages 9999
col c1 heading 'Owner' format
a20
col c2 heading 'Index|type'
format a25
col c3 heading 'Count' format
999,999
break on c1 skip 1
select distinct
owner c1,
index_type c2,
count(*)
from
dba_indexes
where
owner not in (
'APEX_040200',
'MDSYS',
'OUTLN',
'CTXSYS',
'OLAPSYS',
'FLOWS_FILES',
'SYSTEM',
'DVSYS',
'AUDSYS',
'DBSNMP',
'GSMADMIN_INTERNAL',
'OJVMSYS',
'ORDSYS',
'XDB',
'ORDDATA',
'SYS',
'WMSYS',
'LBACSYS')
group by
owner,
index_type
order by
owner,
index_type;
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