Databases
Developing Code Coverage for MySQL tests
I have always been a strong advocate of good testing of any system. I started on a project last year with Drizzle to produce coverage tests to facilitate verifying syntax and helping in comparison with MySQL.
Read moreA beginners look at Drizzle – SQL_MODE
A new feature to MySQL Version 5 was the introduction of SQL_MODE to support STRICT… or TRADITIONAL values. This feature enabled a closer compatibility to other RDBMS products. MySQL by default performs a number of silent data changes which do not help in providing a level of data integrity if you come from a more traditional background.
Read moreIdentifying resource bottlenecks – Memory
Continuing on from CPU , we turn our attention to Memory. One of the first steps when addressing a MySQL performance tuning problem is to perform a system audit of the physical hardware resources, then identify any obvious bottlenecks in these resources.
Read moreA beginners look at Drizzle – Datatypes and Tables
The Drizzle database, while similar to MySQL includes a number of significant differences. In this post we will look at data types and table syntax that is valid in Drizzle. For more background information you can also review A beginners look at Drizzle – Getting around with SHOW .
Read moreA beginners look at Drizzle – Getting around with SHOW
Assuming you have successfully compiled Drizzle , and you are ready to start for the first time, here are some beginner differences with those familiar with the current MySQL 5.1 GA version.
Read moreA Drizzle update – Running version 2009.03.970-development
I’ve not looked at compiling and running Drizzle on my server for the past four weeks. Well overdue time for a check and see how it’s going. I saw in today’s planet.
Read moreExtending vmplot
Taking the work already done with vmplot.sh, a useful tool for MySQL performance tuning by Yves and Matt at BigDBAHead, and in true Open Source fashion I’ve enhanced and modified for my own purposes.
Read moreIdentifying resource bottlenecks – CPU
One of the first steps when addressing a MySQL performance tuning problem is to perform a system audit of the physical hardware resources, then identify any obvious bottlenecks in these resources.
Read moreTwo FREE MySQL Conferences Next Month
The annual MySQL Conference & Expo will be held in this year on April 20-23 in Santa Clara, California with a double twist. Not one, but *two* FREE additional MySQL Conferences are running at the same time, in the same hotel.
Read morePriceless Monty
While working with Monty Widenius on a bug I reported in MariaDB I was surprised to not get an IRC response for a few minutes. When committed Monty can identify, create a workaround, and patch a problem in code before you have time to read all the responses he also types.
Read moreCommunityOne East – An open developer conference
With an opening video from thru-you.com – an individual taking random you-tube video and producing video mashup’s, the CommunityOne East conference in New York, NY beings. The opening introduction was by Chief Sustainability Officer Dave Douglas.
Read moreHurting the little guy?
Today I come back from the dentist, if that wasn’t bad enough news, I get an email from Google AdWords titled Your Google AdWords Approval Status. In the email, all my AdWords campaigns are now disapproved, because of:
Read moreUnderstanding the various MySQL Products & Variants
The MySQL marketplace today is far more complex then simply choosing between a particular version of MySQL that Sun/MySQL produces. The MySQL server product in general is released under the GNU General Public License (GPL) v2 , however you should carefully review the MySQL Legal Policies {#s0rl} as a number of exceptions and different license agreements operate for companion tools such as MySQL Cluster, MySQL client libraries and documentation for example.
Read moreBeginner CSV Engine issues
I’ve just started using the CSV engine for a practical application and I’ve come across a few subtle and unexpected issues/limitations. First, you can’t create any columns in your CSV table nullable.
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