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April 2016

Speakers: Put your Twitter Handle on the Windows taskbar!

If you speak often at conferences, sharing your screen to demo things, this could be helpful:

Twitter Handle on the Windows taskbar

Throughout your presentation, the audience will be able to see your Twitter Handle, reminding them to include it with tweets about the event. I used to include it in the slides, but this is better, because it works also with live demonstrations where no slides are being showed. Which is incidentally my favorite way to do presentations:-)

How is data modeled in NoSQL?

The important thing to understand is the data does not change just because it is managed differently. If the data does not change, then the entities and the relationships contained in the data cannot change either. The entities and the relationships between them have not changed since the dawn of time. They were the same in the days of network database management systems which came before relational database management systems, they stayed the same when object-oriented database management systems came along, and they are the same now that we have NoSQL databases.(read more)

Why should Oracle Database professionals care about NoSQL and where to start?

Oracle Corporation openly admits that NoSQL database management systems have the performance advantage over relational database management systems “when data access is ‘simple’ in nature and application demands exceed the volume or latency capability of traditional data management solutions.” Database professionals should therefore look seriously at NoSQL technology.(read more)

Enterprise Manager Friday Tip- Management Packs and Annotations

Licensing can be a confusing topic for many, but additional stress can be felt for those that use tools that cover multiple products and features that can span more than one management pack.

Friday Philosophy – Visiting the Changi Murals by Sue’s Uncle Stan

No tech or management this week – this Friday Philosophy is about something in my home life.

First Mural,. Image from www.rafchangi.com

First Mural,. Image from http://www.rafchangi.com

Why Brian Hitchcock and I (probably) know more about Oracle Database than you‏

Brian Hitchcock’s secret is simple. For twelve years, he has been reading books on Oracle Database. And taking extensive notes. And publishing them in the NoCOUG Journal. My secret is simple. For twelve years, I have been reading the extensive book notes that Brian has been publishing in the NoCOUG Journal. I’m the editor of the NoCOUG Journal but that’s not the point. It’s that simple.
(read more)

Turkish Oracle User Group Conference in Istanbul 2016 #TROUGDays

Straight after the Oracle University Expert Summit in Berlin – which was a big success, by the way – the circus moved on to another amazing place: Istanbul!

Istanbul viewThe Turkish Oracle User Group (TROUG) did its annual conference in the rooms of the Istanbul Technical University with local and international speakers and a quite attracting agenda.

Do you recognize anyone here?:-)

Any Questions

I’ve popped this to the top of the stack because OUG Scotland is only a couple of weeks away:

I’m going to be at the OUG Scotland conference on 22nd June, and one of my sessions is a panel session on Optimisation where I’ll be joined by Joze Senegacnik, Carl Dudley, Heli Helskyaho and Kai Yu.

The panel is NOT restricted to questions about how the cost based optimizer works (or not), we’re prepared to tackle any questions about making Oracle work faster (or more efficiently – which is not always the same thing). This might be configuration, indexing, other infrastructure etc.; and if we haven’t got a clue we can always ask the audience.

Server Problems : Update

hard-disk-42935_640This is a follow on from my server problems post from yesterday…

Regarding the general issue, misiaq came up with a great suggestion, which was to use watchdog. It’s not going to “fix” anything, but if I get a reboot when the general issue happens, that would be much better than having the server sit idle for 5 hours until I  wake up. </p />
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Enterprise Manager Support Files 101- The EMOMS files

Someone pinged me earlier today and said, “Do I even really need to know about logs in Enterprise Manager?  I mean, it’s a GUI, (graphical user interface) so the logs should be unnecessary to the administrator.”