Databases

The MySQL documentation is not always right

Let me premise this post with the statement I think the MySQL documentation is an excellent and highly accurate resource. I think the MySQL docs team do a great job, however like software and people, documentation is not perfect.

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The Drizzle Census

One thing I have often wondered is just how many MySQL instances exist in the world and what MySQL versions and architectures are in use. We hear of 50,000 windows downloads per day but this is misleading because MySQL is basically bundled with Linux by default or installed from various repositories.

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Installation issues with MySQL 5.5.4 and resolveip

I was installing the latest MySQL 5.5.4 on a new machine and I came across the following issues during installation, steps I generally perform on other versions without any incidents.

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2010 MySQL Conference Presentations

I have uploaded my three presentations from the 2010 MySQL Users Conference in Santa Clara, California which was my 5th consecutive year appearing as a speaker. IGNITION – MySQLCamp for Oracle DBA – Volume I LIFTOFF – MySQLCamp for Oracle DBA – Volume 2 10x Performance Improvements – A Case Study A full history of my MySQL presentations can be found on the Presenting page.

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My acceptance with Oracle as ACE Director

I hinted last week of my acceptance with Oracle before the formal announcement this week at the MySQL Users Conference, not for a job but as Oracle ACE Director . In today’s State of the MySQL Community keynote by Kaj Arnö I was one of the first three MySQL nominees that are now part of this program.

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State of the Dolphin – Opening keynote

Edward Screven – Chief Corporate Architect of Oracle provided the opening keynote at the 2010 MySQL Users Conference . Overall I was disappointed. The first half was more an Oracle Sales pitch, we had some product announcements, we had some 5.

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My acceptance with Oracle

There have been a number of April fools jokes today so I thought I’d add my own to the list. While this sounds unexpected it’s actually no joke. I just accepted a position with Oracle yesterday but I can’t say any more about the details until the MySQL users conference in a few weeks.

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Using ROLLBACK with MyISAM

Using ROLLBACK with MyISAM is useless. A ROLLBACK command is used to undo any DML that occurs during a transaction (i.e. START TRANSACTION and COMMIT). The MySQL default storage engine MyISAM does not support transactions.

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How to find MySQL developers?

Brian wrote recently Where did all of the MySQL Developers Go? , while over in Drizzle land they have been accepted for the Google Summer of code along with many other open source projects.

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Understanding Drizzle user authentication options – Part 2

A key differentiator in Drizzle from it’s original MySQL roots is user based authentication. Gone is the host/user and schema/table/column model that was stored in the MyISAM based mysql.user table.

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Understanding Drizzle user authentication options – Part 1

A key differentiator in Drizzle from it’s original MySQL roots is user based authentication. Gone is the host/user and schema/table/column model that was stored in the MyISAM based mysql.user table.

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Using ext4 for MySQL

This week with a client I saw ext4 used for the first time on a production MySQL system which was running Ubuntu 9.10 (Karmic Koala) . I observe today while installing 9.

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Drizzle’s Data Dictionary and Global Status

With the recent news by Brian about the Data Dictionary in Drizzle replacing the INFORMATION_SCHEMA, I was looking into the server status variables (aka INFORMATION_SCHEMA.GLOBAL_STATUS) and I came across an interesting discovery.

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How do I identify the MySQL my.cnf file?

If you are unfamiliar in administrating MySQL, the current MySQL configuration file generally found is named my.cnf (my.ini on windows). Where is that file. If only that question was easy to answer!

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