Hi Ankit,
The Sybase SQL Anywhere is default CMS and Audit database in BI 4.1. It is called as Sybase SQL Anywhere. Please refer page number 23 from below document for more information.
https://websmp105.sap-ag.de/~sapidb/011000358700000372212014E/sbo41sp4_sp_update_en.pdf
Regards,
Hrishikesh