Re: Oracle 9.2.0.5 CBO Not Using Index

2006-05-04 Thread McKenzie, James J C-E LCMC HQISEC/L3
Title: RE: Oracle 9.2.0.5 CBO Not Using Index ** Axton: I'm talking about archiving to a historical record form rather than using partitioning within the data table for one form.  Makes searches run faster/better when your users forget to select 'status' <= "Resolve

Re: Oracle 9.2.0.5 CBO Not Using Index

2006-05-04 Thread Axton
Axton Sent: Thursday, May 04, 2006 7:55 AM To: arslist@ARSLIST.ORG Subject: Re: Oracle 9.2.0.5 CBO Not Using Index I can find nothing on the net to confirm your statements. The closest thing I can find that relates to this is the list of the "20 golden rules" of the oracle RBO. http:/

Re: Oracle 9.2.0.5 CBO Not Using Index

2006-05-04 Thread McKenzie, James J C-E LCMC HQISEC/L3
Title: RE: Oracle 9.2.0.5 CBO Not Using Index ** Axton: Partitioning is a fantastic feature and should be employed where it can.  However, BMC did not decide to use this feature out of the box.  I would help greatly if you could partition a high use form, such as the Help Desk Case, by

Re: Oracle 9.2.0.5 CBO Not Using Index

2006-05-04 Thread Axton
000 entries. Does anyone want to confirm/deny that this is the case? James McKenzie L-3 GSI -Original Message- From: Action Request System discussion list(ARSList) [mailto:[EMAIL PROTECTED] On Behalf Of Axton Sent: Wednesday, May 03, 2006 4:54 PM To: arslist@ARSLIST.ORG Subject: Re: Oracle 9.2.0.

Re: Oracle 9.2.0.5 CBO Not Using Index

2006-05-04 Thread McKenzie, James J C-E LCMC HQISEC/L3
Title: RE: Oracle 9.2.0.5 CBO Not Using Index ** Jon: Do you have an index on the field and is the field set to equals or leading in the QBE? I forgot those two.  If the QBE setting is ANY, then the query sent to Oracle will automatically have the Wildcard (%) character added to the front

Re: Oracle 9.2.0.5 CBO Not Using Index

2006-05-04 Thread Jon Chau
I also saw that in the PT&T training manual that I have, but it didn't make a difference when I tried. Thanks for the suggestion Axton, I will let you know how it goes. On 5/4/06, McKenzie, James J C-E LCMC HQISEC/L3 <[EMAIL PROTECTED]> wrote: ** Axton: That was directly from the PT&T class a

Re: Oracle 9.2.0.5 CBO Not Using Index

2006-05-04 Thread McKenzie, James J C-E LCMC HQISEC/L3
Title: RE: Oracle 9.2.0.5 CBO Not Using Index ** Axton: That was directly from the PT&T class and was enforced by some basic ORACLE training that I received. Here is gist of the training: If the query can be closed end (i.e. equals) then the optimizer will look to see if the index

Re: Oracle 9.2.0.5 CBO Not Using Index

2006-05-03 Thread Axton
L PROTECTED] On Behalf Of Jon Chau Sent: Wednesday, May 03, 2006 2:30 PM To: arslist@ARSLIST.ORG Subject: Oracle 9.2.0.5 CBO Not Using Index Hello Listers, I've read some past threads on Oracle CBO optimization and database tuning and have been having a constant battle with my DBA on how to re

Re: Oracle 9.2.0.5 CBO Not Using Index

2006-05-03 Thread McKenzie, James J C-E LCMC HQISEC/L3
Title: RE: Oracle 9.2.0.5 CBO Not Using Index ** Jon: Your problem is using the < sign.  This forces Oracle to check EACH and EVERY entry in the table.  Try this: 'Status' <= "Pending" This should use the index as you are now looking for a value that ha

Oracle 9.2.0.5 CBO Not Using Index

2006-05-03 Thread Jon Chau
Hello Listers, I've read some past threads on Oracle CBO optimization and database tuning and have been having a constant battle with my DBA on how to resolve the issue we are having. We have a HelpDesk form with an index against the Status field and it is not being used when we are using a rang