Hi Mike,
Yes, I could use it... but the GATHER EMPTY option set stats on the empty partitions
correctly. I'm more concerned about having old stats on a partition that is now
loaded.
Thanks
-----Original Message-----
Sent: Thursday, May 29, 2003 12:30 PM
To: Multiple recipients of list ORACLE-L
Lisa,
I'm still using Analyze so I have no direct experience with this package.
That being said, would the SET_TABLE_STATS work for the partitions that
haven't been loaded yet?
Mike Hand
Polaroid Corp.
-----Original Message-----
Sent: Thursday, May 29, 2003 10:46 AM
To: Multiple recipients of list ORACLE-L
Hi Darrell & Kirti -
It was late last night when I was looking at this. It seems I should be
using GATHER EMPTY instead of GATHER STALE. However this will put
statistics on partitions with no rows.
When I load new partitions tomorrow (they are empty prior to the daily
load), the number of rows inserted wouldn't reach 10% change. It would take
over a week to reach 10% change in order for GATHER STALE to pick up on this
and re-analyze these partitions. I don't want statistics saying there are 0
records in a partition that is indeed loaded.
I guess GATHER STALE would be much more useful if the 10% threshold could be
modified, and/or the threshold could be partition specific.
And Kirti, the bugs I have seen are 1192012, 1890016, 2157655. I thought I
was running into 1890016.
Looks like I'll have to code around this after all. Darn it all. I really
am a monkey. Sheesh
Lisa
-----Original Message-----
Sent: Thursday, May 29, 2003 12:30 AM
To: Multiple recipients of list ORACLE-L
Lisa,
Wow, you might be saving me from peril right now. I have tested this
with a small set of tables with no problems (in and 8.1.7.4 instance).
I'm preparing to go 'schema' wide in the next week or so for further
testing prior to implementing in production.
I'd be very interested in more details of your problems in 8.1.7.4 and
of course I'll post reports of testing to the list as well.
For starters, here is the code I use to obtain a list of 'stale'
qualified tables:
( For proper credit, I think I got this from asktom.oracle.com)
set serverout on size 90000
declare
l_objList dbms_stats.objecttab;
begin
dbms_stats.gather_schema_stats
( ownname => '&1',
options => 'LIST STALE',
objlist => l_objlist );
for i in 1 .. l_objlist.count
loop
--dbms_output.put_line( l_objlist(i).objtype );
dbms_output.put_line( l_objlist(i).objname );
end loop;
end;
/
And the code to gather stats:
set serverout on size 99000
begin
dbms_stats.gather_schema_stats(
ownname=>'&1',
options=>'GATHER STALE',
cascade=>TRUE,
degree=>8,
granularity=>'ALL',
method_opt=>'FOR ALL INDEXED COLUMNS SIZE 1'
);
end;
/
Thanks,
Darrell
>>> [EMAIL PROTECTED] 05/28/03 09:24PM >>>
Hello everyone,
Is anyone using dbms_stats and gather stale or gather auto in 9.2?
I'm
trying to use dbms_stats gather schema stats with the stale option and
it just isn't working in 8.1.7.4. This is documented on Metalink.
I'd
love to hear from someone else if this is fixed in 9.2 and if it can
be
reliably used.
Thank you
Lisa Monkey.
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