System Administrator   Responsible for general administrative tasks unrelated to specific applications; can access any database object.

System Security Officer   Responsible for security-sensitive tasks in Adaptive Server Enterprise, but has no special permissions on database objects.

Database Owner   Has full permissions on objects inside the database he or she owns, can add users to a database and grant other users the permission to create objects and execute commands within the database.

Data definition statements   Permissions can be granted to users for specific data definition statements, such as CREATE TABLE or CREATE VIEW, enabling the user to create database objects.

Object owner   Each database object has an owner who may grant permissions to other users to access the object. The owner of an object automatically has all permissions on the object.