A Database Manager operator (DBM operator) can use the Database Manager tool to manage database instances. DBM operators cannot usually log on to the database tools SQL Studio, Web SQL Studio, and SQLCLI. The sole exception is the first DBM operator of a database instance.
See also:
Concepts of the Database System, Database Manager Operator (DBM Operator)
Database Manager GUI, Managing the Database Manager Operators
Database Manager CLI, Managing the DBM Operators