Tag Archives: Oracle database

Tracing Oracle background processes with Dtrace for Linux

I’ve been googling for articles on using Dtrace with Oracle databases. There isn’t all that much. I’ve found an article from Andrey Nikolaev on using Dtrace to investigate exclusive latches on Solaris. He uses this dtrace command to investigate the … Continue reading

Posted in Linux, Oracle database administration, Oracle performance tuning | Tagged , , , | 1 Comment

We’re hiring a DBA, Fusion Middleware specialist, EM specialist and Linux admin

In our team we need a couple of seasoned Oracle specialists and we’re also looking for one junior Oracle Database Administrator. To be specific we’re looking for people with the following skills, who want to become employed at Rabobank Netherlands. … Continue reading

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A walkthrough through sqlperf 1.6 output (video)

I’ve made a video to walk you through the output of the sqlperf script version 1.6.

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Looking for new Oracle database and middleware specialists

On 1 october 2012 I started working for Rabobank Groep ICT. Looking back at the past 15 months, I can honestly say it was a good decision. It’s great to work with so many (about 50!) great Oracle DBAs and … Continue reading

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Expensive full table scans on AQ$_SYS$SERVICE_METRICS_TAB_L

A while ago a collegue DBA asked me to help him with a database he had problems with. The database was generating a lot of archives and since there also was a standby database, these archives had to be transported … Continue reading

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Having a ball with the hacking training

Today I did my third out of four database hacking sessions at work and I have to say it again was a lot of fun. It sure did raise security awareness. My training of four hours consists of the following … Continue reading

Posted in Oracle security | Tagged , , , , , , | 1 Comment

Running Nmap against an Oracle listener

When preparing for the Planboard symposium in Utrecht last Tuesday, I decided to use tools like Nmap and Metasploit to show how these tools can be used against an Oracle database server. I have worked with Nmap before, but I’m … Continue reading

Posted in Oracle security | Tagged , , , , | 1 Comment