Re: Global Stats

2003-01-30 Thread Jared Still
Lisa, >From Steve Adams site: Despite the potential for improved statistics gathering, many DBAs have not yet adopted modification monitoring. One of the concerns that people have is that the monitoring might have a significant performance overhead. In fact, this is not the case. The modif

RE: Global Stats

2003-01-30 Thread Deshpande, Kirti
Hi Gopal, Thanks for the information. I was not aware of this. Regards, - Kirti -Original Message- From: K Gopalakrishnan [mailto:[EMAIL PROTECTED]] Sent: Thu 1/30/2003 1:03 AM To: Multiple recipients of list ORACLE-L Cc: Subject:RE: Global Stats Hi Kirti

Re: Global Stats

2003-01-29 Thread Vladimir Begun
It's not correct, check metalink -- there is a note about that. -- Vladimir Begun The statements and opinions expressed here are my own and do not necessarily represent those of Oracle Corporation. K Gopalakrishnan wrote: Kirti: I think the interval is changed to 5 minutes from 3 hours starting

RE: Global Stats

2003-01-29 Thread K Gopalakrishnan
ssage- > From: K Gopalakrishnan [mailto:[EMAIL PROTECTED]] > Sent: Wed 1/29/2003 10:58 PM > To: Multiple recipients of list ORACLE-L > Cc: > Subject: RE: Global Stats > > Kirti: > > Sorry for the typo. It is 15 minutes. > > > --- K Gopalakrishna

RE: Global Stats

2003-01-29 Thread Deshpande, Kirti
lto:[EMAIL PROTECTED]] Sent: Wed 1/29/2003 10:58 PM To: Multiple recipients of list ORACLE-L Cc: Subject: RE: Global Stats Kirti: Sorry for the typo. It is 15 minutes. --- K Gopalakrishnan <[EMAIL PROTECTED]> wrote: > Kirti: > > I think the interval is chan

RE: Global Stats

2003-01-29 Thread Deshpande, Kirti
PM To: Multiple recipients of list ORACLE-L Cc: Subject: RE: Global Stats Kirti: I think the interval is changed to 5 minutes from 3 hours starting from 9i (rel2?). Best Regards, K Gopalakrishnan -Original Message- Kirti Sent: Wednesday, January 29, 2003 8:19 PM To: Mul

RE: Global Stats

2003-01-29 Thread K Gopalakrishnan
So, there is nothing automatic in gathering table > stats. > > You can test it yourself. remember there is a last_analyzed > column ;) > > HTH, > > - Kirti > > > > > -Original Message- > From: Koivu, Lisa [mailto:[EMAIL PROTECTED]] > Sent: Wed 1/29/2003 9:09 A

RE: Global Stats

2003-01-29 Thread K Gopalakrishnan
athering table stats. You can test it yourself. remember there is a last_analyzed column ;) HTH, - Kirti -Original Message- From: Koivu, Lisa [mailto:[EMAIL PROTECTED]] Sent: Wed 1/29/2003 9:09 AM To: Multiple recipients of list ORACLE-L Cc: Subject:RE: Global Stat

RE: Global Stats

2003-01-29 Thread Deshpande, Kirti
le recipients of list ORACLE-L Cc: Subject:RE: Global Stats Hi Jared, Actually I think monitoring won't work in my case. Data loads fire throughout the day and the docs say that in 8i, analyze can fire based upon table monitoring sometime within 3 hours after data changes. I wo

RE: Global Stats

2003-01-29 Thread Jared . Still
E-L <[EMAIL PROTECTED]> cc: Subject:RE: Global Stats Hi Jared, Actually I think monitoring won't work in my case. Data loads fire throughout the day and the docs say that in 8i, analyze can fire based upon table monitoring sometime within 3 hours after data changes.

RE: Global Stats

2003-01-29 Thread Koivu, Lisa
Title: RE: Global Stats Hi Jared, Actually I think monitoring won't work in my case.  Data loads fire throughout the day and the docs say that in 8i, analyze can fire based upon table monitoring sometime within 3 hours after data changes.  I would rather include a manual fire of analy

Re: Global Stats

2003-01-29 Thread Jared Still
You may want to read up on table monitoring. Jared On Tuesday 28 January 2003 11:10, Koivu, Lisa wrote: > Hi everyone, > > Back to the lovely world of Oracle :) I've been reading up on statistics. > Out of the 8.1.7 doco: > /* > Partitioned schema objects may contain multiple sets of statistics.

Re: Global Stats

2003-01-28 Thread Denny Koovakattu
If I remember right, global stats are computed/inferred from partition level stats if its available. If thats the case, then it may make sense to compute/estimate the stats at the partition level. You also have the advantage of being able to run analyze each partition in parallel. Regards,

Re: Global Stats

2003-01-28 Thread Jay Hostetter
Lisa, On our "home grown" partitioned databases, I am still using the ANALYZE command for partitions. There were some bugs associated with DBMS_STATS and partitions, although I don't remember the specifics at the moment (it may have been with 8.1.6). I haven't had a chance to go back and se