Sybase regularly provides podcasts or webcasts about their products.
Here is a bunch of podcasts about ASE (Adaptive Server Enterprise) targeting various “perfomance & tuning” topics. Enjoy 
+ General Best Practices
Tune in with Sybase ASE experts and special guest Peter Thawley, senior director and architect for Sybase engineering, to explore the best practices in performance and tuning for database applications based on Adaptive Server Enterprise.
http://video.sybase.com/podcasts/sybase-podcast-ase-tech01-111706.mp3
+ Monitoring Practices and Tools
In this Podcast, Stefan Karlsson and guest Jeff Tallman discuss the details of monitoring within the ASE environment.
http://video.sybase.com/podcasts/sybase-podcast-ase-tech02-113006.mp3
+ Tips & Tricks
ASE experts Stefan Karlsson, Jeff Tallman, Rob Verschoor and Steve Bologna share their tips and tricks for improving database performance.
http://video.sybase.com/podcasts/sybase-podcast-ase-tech03-010507.mp3
+ System Tuning “CPU interaction”
David Wein and Stefan Karlsson discuss ASE’s kernel and how ASE interacts with the OS in the first of this 3-part discussion on system tuning.
http://video.sybase.com/podcasts/sybase-podcast-ase-tech04-032207.mp3
+ System Tuning “Task management”
Sybase drill down into ASE task management in the second of this 3-part series on system tuning.
http://video.sybase.com/podcasts/sybase-podcast-ase-tech05-032207.mp3
+ System Tuning “Monitoring & Configuration”
In the last of this 3-part discussion on system tuning Sybase tackles monitoring and configuration.
http://video.sybase.com/podcasts/sybase-podcast-ase-tech06-032207.mp3
+ System Tuning “Spinlocks”
Stefan Karlsson discusses spinlocks, what they are and how to monitor and tune.
http://video.sybase.com/podcasts/sybase-podcast-ase-tech07-071007.mp3
