Author Archives: Bobby

About Bobby

I live in Chandler, Arizona with my wife and three daughters. I work for US Foods, the second largest food distribution company in the United States. I've been working as an Oracle database administrator and PeopleSoft administrator since 1994. I'm very interested in Oracle performance tuning.

Using Delphix to support Oracle upgrade

I’m working on upgrading a very buggy unpatched 11.1.0.7 Oracle database to a fully patched 11.2.0.4 version. I’m using Delphix to support the upgrade and it has been a big help so far. This is on the HP-UX 11.31 Itanium platform. … Continue reading

Posted in Uncategorized | Leave a comment

Simple Python for Oracle database tuning example

I ran across a stackoverflow question and it gave me an idea for a simpler use of Python to graph some Oracle database performance information. I looked at my PythonDBAGraphs scripts and I’m not sure that it is worth modifying … Continue reading

Posted in Uncategorized | 8 Comments

Rosetta Code

I have experimented with the Rosetta Code website as a way to learn more about computer technology. I have mentioned my exploration of the edX and OCW web sites in earlier posts so I thought I would mention Rosetta Code or … Continue reading

Posted in Uncategorized | Leave a comment

AZORA Meeting January 26th

The next Arizona Oracle User Group meeting is January 26th in Scottsdale. Signup on this meetup link. Copied from invitation: When:  January 26, 2017 (Thursday) 12:30 pm – 4:00 pm Where:  Republic Services 1st Floor Training Rooms 14400 N 87th … Continue reading

Posted in Uncategorized | Leave a comment

Improved VirtualBox Network

Before I left for vacation I noticed this blog post about setting up a network on VirtualBox: “CREATING A TEST LAB USING VIRTUALBOX / NAT NETWORKING”. Now that I am back in the office I thought I would try to … Continue reading

Posted in Uncategorized | 2 Comments

Delphix Users Panel Webinar

Delphix is sponsoring a user webinar on Wednesday from 10 to 11 am California time. I and a couple of other technical Delphix users will take part in a panel discussion. The webinar will give you a good chance to hear about other users’ experience … Continue reading

Posted in Uncategorized | Leave a comment

Improving performance of top query

I’m on call this week. Here are the steps that I took to speed up a query today. First I got an AWR report and found the top query. Also, someone from support told me to look at November 11 before … Continue reading

Posted in Uncategorized | Leave a comment

Running SQL*Plus from a Python script

I needed to write a new script that was running on a Red Hat Linux 6 virtual machine and that would connect to databases using SQL*Plus. I was going to write a bash shell script but decided to use Python instead … Continue reading

Posted in Uncategorized | Leave a comment

I put my SQL scripts on GitHub

I created a new GitHub public repository with my SQL scripts. Here is the URL: https://github.com/bobbydurrett/OracleDatabaseTuningSQL I’ve experimented with GitHub for my Python graphing scripts but wasn’t sure about putting the SQL out there. I don’t really have any comments … Continue reading

Posted in Uncategorized | Leave a comment

ASH script to show query run times

I ran into a situation last week where a developer complained that a query sometimes ran for 3 or more seconds but normally runs much less than 1 second. I had just been to a local AZORA user group meeting … Continue reading

Posted in Uncategorized | 6 Comments