RE: Query Tuning Question - new discovery

2003-06-13 Thread Meng, Dennis
PROTECTED] Subject: Query Tuning Question Hi fellow DBAs, This is kind of the follow-up of my last E-mail on wait event. I have a query that is taking hours to complete and the plan looks ok. While one of the tables is huge (267mil rows) it is being accessed using one of its indexes. I recorded

RE: Query Tuning Question - new discovery

2003-06-13 Thread Barbara Baker
[EMAIL PROTECTED] Date: 2003/06/12 Thu PM 03:54:59 EDT To: Multiple recipients of list ORACLE-L [EMAIL PROTECTED] Subject: Query Tuning Question Hi fellow DBAs, This is kind of the follow-up of my last E-mail on wait event. I have a query that is taking hours to complete

RE: Query Tuning Question - new discovery

2003-06-13 Thread Jamadagni, Rajendra
Title: RE: Query Tuning Question - new discovery A Ha ... it is refers to _B_TREE_BITMAP_PLANS variable ... it is true by default and what you see is the side effect. If you are not using BMI, set it to false. http://tinyurl.com/e8ws for more info Raj

Query Tuning Question

2003-06-12 Thread Meng, Dennis
Hi fellow DBAs, This is kind of the follow-up of my last E-mail on wait event. I have a query that is taking hours to complete and the plan looks ok. While one of the tables is huge (267mil rows) it is being accessed using one of its indexes. I recorded some stats from v$session_wait

Re: Query Tuning Question

2003-06-12 Thread rgaffuri
PROTECTED] Date: 2003/06/12 Thu PM 03:54:59 EDT To: Multiple recipients of list ORACLE-L [EMAIL PROTECTED] Subject: Query Tuning Question Hi fellow DBAs, This is kind of the follow-up of my last E-mail on wait event. I have a query that is taking hours to complete and the plan looks ok. While

Re: Query Tuning Question

2003-06-12 Thread Gudmundur Bjarni Josepsson
What could be the cause of this wait? At the risk of asking the bleeding obvious, have you tried doing a 10046 trace on the query? Gudmundur -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Gudmundur Bjarni Josepsson INET: [EMAIL PROTECTED] Fat City Network Services