Using NetBeans with MySQL

MySQL University :-)The next MySQL University session will take place this Thursday, 23rd October. David Van Couvering will show how to use NetBeans with MySQL.

Note that this session will start at 9:00 Pacific Time (18:00 CET, 17:00 BST).

For this session, we'll use a new presentation system that we hope will make things much easier for both presenters and attendees: Dimdim (www.dimdim.com). If it works out as expected, Dimdim will replace our current presentation system which required attendees to open a browser, connect to an IRC channel on Freenode, and open some fancy URL with a voice streaming application. With Dimdim, all that needs to be done is point your browser to a URL, and that's it. Here is the URL for this Thursday's meeting. The Attendee Pass Code is 783326.

That's all you need to know. You may register a Dimdim account, but that's required only for setting up meetings. Even presenters don't have to register. Dimdim provides an international dial-in number if you don't have web access (712-432-6139), but just listening in probably doesn't make sense for MySQL University sessions.

Dimdim requires a web browser with a current Flash plugin. We'll probably get some flak for requiring Flash, but after all that plugin is ubiquitous (installed on at least 98% of all browsers) and works fairly well on most operating system. So far, we've tested with Mac OS X and Linux, and Dimdim worked remarkably well regarding sound quality and desktop sharing. It also has an integrated chat function.

So far, we've run tests with up to 5 people per Dimdim session. This Thursday we're curious to see how this works out in "real life". Some things we've noticed while testing:

  • Presenters should have a good headset and microphone.
  • When speaking, you shouldn't be on a Wifi connection with a dozen other access points in the neighborhood deteriorating the effective throughput. I was, and the result was that my voice sounded like a robot (others said I sounded like a dwarf rolling downhill in a metal barrel). Sound reception was still marvelous for me, though.
  • Don't trust the CPU usage reported by top. On all our laptop computers (Linux and Mac OS X) top reported weird values. For me, CPU usage was up to 189% (what's > 100% CPU usage supposed to be, anyway?). Still, switching between applications was smooth, and the laptop fans didn't speed up or anything. One of the testers (on 64-bit Linux) reported that Dimdim was "grilling" his CPU, though.
  • If you're a presenter and want to share your desktop, you'll have to be on Windows or Mac OS X, because for desktop sharing Dimdim requires a browser plugin that's not available on other platforms. I've attended a Dimdim tutorial session and asked about a plugin for Linux. The presenter (from the Dimdim staff) said it's on their agenda.
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mysqlf is a common typo on the #docs IRC channel of the MySQL documentation team. It shows a high (some might say, dangerous) degree of identification with MySQL. Trying to pronounce it will probably result in tongue injuries.

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