Interested in JRuby? Are you an Oracle type? Want to put the two together. Here you go: Using JRuby with Oracle Database .
From Oracle Application APPSLab: Should I Implement a Shared Appl Top? And if so How?
Siebel Essentials informs us that there is a new certification available: Siebel CRM 8 Business Analyst.
Kevin Closson uses a sneaky introduction to move into a useful posting on Exadata: Exadata Database Machine: The Data Sheets Are Inaccurate!
A back to basics item from the Momen Blog that is not really basic and is in fact a potential massive time saver: Massive Deletes Vs Truncating Partitions.
I've mentioned the HTML version of MOS here before, and list it on the links area of the blog, but I was happy to see that Jonathan Lewis also took note of it. You can't do everything in it, but if you just need to do searching and working with your SRs day to day it's fine, and it's faster than Flash.
An introduction to Linux Performance Monitoring and Tuning over at The Geek Stuff.