You need to perform various tasks to administer SAP Adaptive Server Enterprise (SAP ASE) in an SAP environment.
If you are new to SAP ASE, see the following guides:
Database Administration Guide
Component-based documentation for all functions and processes that are supported by SAP ASE: http://help.sap.com/adaptive-server-enterprise
The SAP Community Network homepage (http://scn.sap.com/community/ase) offers best practices, presentations, blogs and more.