RE: Missing SQL in DBA_HIST_SQLSTAT
- From: "Herring Dave - dherri" <Dave.Herring@xxxxxxxxxx>
- To: "Allen, Brandon" <Brandon.Allen@xxxxxxxxxxx>, "ORACLE-L" <oracle-l@xxxxxxxxxxxxx>
- Date: Tue, 2 Nov 2010 12:01:07 -0500
Yup:
select topnsql from dba_hist_wr_control;
TOPNSQL
----------
DEFAULT
1 row selected.
I can't find the bug that was listed earlier by a poster, but I'll try to see
if I can set up a test with the value at a much more reasonable number, like
10,000 or so.
Dave Herring | DBA
Acxiom Global Technology Solutions
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1501 Opus Pl | Downers Grove, IL, 60515 | U.S.A. | www.acxiom.com
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-----Original Message-----
From: Allen, Brandon [mailto:Brandon.Allen@xxxxxxxxxxx]
Sent: Tuesday, November 02, 2010 11:56 AM
To: Herring Dave - dherri; ORACLE-L
Subject: RE: Missing SQL in DBA_HIST_SQLSTAT
Dave,
Do you have 'DEFAULT' for topnsql in the following query:
SQL> select topnsql from dba_hist_wr_control;
TOPNSQL
----------
DEFAULT
If so, then it only captures the top 30 according to the documentation below.
Maybe you should try changing it from DEFAULT to MAXIMUM if you haven't tried
that yet.
http://download.oracle.com/docs/cd/B19306_01/appdev.102/b14258/d_wkrpos.htm#sthref8044
"DEFAULT will revert the system back to the default behavior of Top 30 for
statistics level TYPICAL and Top 100 for statistics level ALL. Specifying
MAXIMUM will cause the system to capture the complete set of SQL in the cursor
cache. Specifying the number N is equivalent to setting the Top N SQL with the
NUMBER type. Specifying NULL for this argument will keep the current setting."
Regards,
Brandon
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