DBA Sybase since several years, I was working on differents enterprise, Banks, SSII …
I suggest you to discover Sybase ASE, Sybase IQ and Replication Server with examples, only. I know you could find theory on SAP site.
Each topic is explained with example which have been applied and valided in production site.
You could find also, some scripts, which are going to simplify your DBA’s life !
This site is mostly done to Level 1 and 2, even if you can find some examples level 3.
If you want to learn SAP Sybase, you are in the good « place » !
See you soon,
Email : firstname.lastname@example.org