MySQL
Installing MySQL on Oracle Enterprise Linux
One of the significant benefits of MySQL is it’s ease of use. Generally already installed on most Linux systems, MySQL can be installed by a single command if not yet present.
Speaking at Oracle Open World 2010
I will be one of 18 MySQL speakers at Oracle Open World 2010 at the first ever
Optimizing SQL Performance – The Art of Elimination
The most efficient performance optimization of a SQL statement is to eliminate it. Cary Millsap’s recent Kaleidoscope presentation again highlighted that improving performance is function of code path. Removing code will improve performance.
What do MySQL Consultants do?
One role of a MySQL consultant is to review an existing production system. Sometimes you have sufficient time and access, and other times you don’t. If I am given a limited time here is a general list of things I look at.
Timing your SQL queries
When working interactively with the MySQL client, you receive feedback of the time the query took to complete to a granularity of 10 ms. Enabling profiling is a simple way to get more a more accurate timing of running queries.
Upcoming Conferences with dedicated MySQL content
We recently held a dedicated MySQL Track at ODTUG Kaleidoscope 2010 conference for 4 days. This is the first of many Oracle events that will begin to include dedicated MySQL content.
Improving MySQL Productivity – From Design to Implementation
My closing presentation at the dedicated MySQL track at ODTUG Kaleidoscope 2010 discussed various techniques and best practices for improving the ROI of developer resources using MySQL. Included in the sections on Design, Security, Development, Testing, Implementation, Instrumentation and Support were also a number of horror stories of not what to do, combined with practical examples of improving productivity.
MySQL Idiosyncrasies That Bite
The following are my slides that I presented at ODTUG Kaleidoscope 2010 . This presentation talks about the MySQL defaults including a non-transactional state, silent data truncations, date management, and transaction isolation options.
Still room at Kaleidoscope for MySQL attendees
Today I received notice that next week’s Velocity conference is at maximum capacity. With just under 2 weeks before the start of ODTUG Kaleidoscope in Washington DC we still have room for late registrations.
Oracle resources for the MySQL Community
While I have spent a lot of time recently helping the MySQL community interact with and integrate with various Oracle User Groups including ODTUG, IOUG, NoCOUG, NYOUG, DAOG I thought I’d share some resources for the MySQL Community that wanted to know more about Oracle.
Why is MySQL documentation search so wrong?
I just don’t get this I don not know what the technology is behind the search box at MySQL Documentation but it annoys me when I want to see the syntax of a command and Search can’t find the page, when a dedicated page exists and I’m using the exact syntax of both the command the title of the page.
I’ll have a MySQL shot to go!
Wednesday night of the MySQL track of ODTUG Kaleidoscope will include an evening with Last Comic Standing comedian, John Heffron . It should be great way to unwind after day 3 of the conference.
When SET GLOBAL affects SESSION scope
We have all been caught out with using SET and not realizing that the default GLOBAL Scope (since 5.0.2) does not change the current SESSION scope. I was not aware until today that changing GLOBAL scope has some exceptions that also automatically affect SESSION scope.
Best Practices: Additional User Security
By default MySQL allows you to create user accounts and privileges with no password. In my earlier MySQL Best Practices: User Security I describe how to address the default installation empty passwords.