http://asktom.oracle.com These are the most recently asked questions on Ask Tom en-us Copyright 1999-2006, Oracle Corporation http://asktom.oracle.com/i/asktom2.gif http://asktom.oracle.com 50 50 Ask Tom is a forum where Tom Kyte, Oracle's Database Guru, answers questions regarding Oracle technology, specifically the database. http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:223615100346656787 Hi Tom, In my trace file there is a large wait event. I need to findout what is this wait event. Can you help me to find what is this event. Background: We run certain job from application. Once the job is issued, no more the application fro... http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:69012348056 <code>Tom, I am receiving the following message in my alert log and can find no documentation explaining what this error means or how to correct it. Sun Feb 13 03:30:26 2000 >>>>>Thread 1 cannot allocate new log, sequence 41801 >>>>>Checkpoint ... http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:10236120188495 <code>On one server we have 4 instances of oracle, all running the same versions (9.0.1.4). 2 are used as regular oracle DBs and 2 are used as portal DBs. It's been suggested that to simplify upgrades that we make all the instances use a single Oracl... http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:735625536552 <code>We are doing performance-testing of SQL-statements in our project. When running explain-plans on the statements, the results are often not realistic due to the fact that we have not loaded the tables with data, and therefore the indexes, in mos... http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:76812348057 <code>I have a Search field in my form. When my user enters a value in the Search field, I want to display the first 10 rows which match the query, then the next 10..and so on. I will give him 2 button (Previous 10 & Next 10) options. How do I ... http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:22140261281764 <code>Tom, What is connection pooling ? Please, can you give an example(s) that show thorough understanding of the subject matter as related to either ODBC OR JDBC application connections to the oracle database. Your site is more important and mo... http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:1068032649872 <code>Hi Tom, How can I clear deadlock without killing a session? thanks in advance. john </code> http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:524736300346304074 Hi Tom, Can you tell me why is the WITH clause faster than using GTT tables in this situation? ---- WITH clause with with_sere as (select /*+ parallel (dein,8) full(dein) */ dein.inte_no fr... http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:349809082244 <code>Hello Tom: What I now so far about Materialized Views is "Materialized views are schema objects that can be used to summarize, precompute, replicate, and distribute data". 1. In data warehouses, materialized views are used to precompute an... http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:14188448949723 <code>Hello I am currently working with Peoplesoft CRM v8 One of consultants decided to partitioned the tables using hash partitioning, he also partitioned the indexes locally. Obviously he just showed me how clueless he is making the indexes l...