Open Query blog

Gained some interesting insight earlier this week at the SUN/MySQL APAC eHorizons event. A key thread in my (business track) session was that a) databases are not interchangable, and b) you plan for growth. If you don’t, you can’t grow, and your business might end (or at least be in serious pain).
For instance, if you [...]

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I’m proud to announce that after significant wrangling (just suggesting did the trick, actually , I’ve found Sebastian Bergmann willing to visit Australia, and teach a 3-day workshop Quality Assurance in PHP Projects. It’s scheduled 4-6 August in Melbourne.
Many applications using MySQL are written in PHP… this three-day workshop will introduce PHP Developers to [...]

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I will plug one offering I’m particularly pleased about, as it benefits worthy others and a cause in general.
For educators and students, Open Query course days only cost $100 (or even $50 for a student, on a stand-by basis). We were already doing this for a while, and our first course in Melbourne had a [...]

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What a long name eh… the link is http://au.sun.com/sunnews/events/2008/horizons/
Jonathon and I will be there, and I am speaking in the business track on Tuesday. It won’t be about training or the other stuff that Open Query is doing, but instead provide a high-level (business) overview of MySQL’s unique architecture. As we know, MySQL is particularly [...]

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http://barcamp.org/BarCampBrisbane gives the details… I’m going in the afternoon, and might do a talk on RepRap. There’ll be enough software talks, so why not something different!
(not that I *always* talk about MySQL – I have done other talks at various confs)

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Referred to by Launchpad Bug #119271 and MySQL Bug#28850, MySQL installations get bitten after an upgrade, if they were acting as a replication slave. However, the actually root cause is not an upgrade.
If you simply set up say Ubuntu Feisty, you’ll encounter the same problem. If you set up as a slave, the server uses [...]

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When I visited my friend Jonathan Oxer last week, he told me about his bluetooth headset which he’d found on DealsDirect. I excused myself briefly, opened by laptop, and ordered one online
So, what it is is a stereo bluetooth headset, with built-in microphone. It can pair with multiple devices, not sure what the [...]

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A while ago I wrote about native MySQL connectivy for OpenOffice.org which Georg Richter had spent a lot of time on, but which then got stuck in some licensing foo. That blog entry generated a number of responses from former MySQL colleagues, noting that something was in the works. A bit later Georg himself commented:
Arjen,
sorry, [...]

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One of the comments to last week’s scribble on joins referred to the POSIX join command. What does this mean? There is a commandline tool called ‘join’ available on most Unix-ish boxes, including Linux and OS X. From my own Mac (”man 1 join”):
NAME
join — relational database operator
SYNOPSIS
[...]

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Sam Varghese of iTWire invited me for a broad interview when I was teaching in Melbourne last week, it’s now published (MySQL: the Australian connection).

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