Before you can manage
database instances using the Database Manager GUI program, a connection must be set up between the database instance to be managed and your
DBM Server.
The system is configured in such a way that the connections between the database instances displayed and the DBM Server are established automatically when the Database Manager GUI is launched.

You can also change this default setting if necessary. Choose View ® Options. If you deselect the
Use
You can selectively set up the connection to the DBM Server for one, multiple, or all registered database instances, depending on the performance of your system. Similarly, you can terminate the connection between individual database instances and your DBM Server in order to reduce the load on your system.
Procedure
Setting up a connection between a database instance and the DBM Server
The entry for the state of the database instance
State is Not connected.Choose the relevant database instance with the cursor. The system then sets up the connection to the DBM Server for exactly this database instance. The Database Manager can now also determine the current
operational state of the selected database instance.
Terminating a connection between a database instance and the DBM Server
To terminate the connection between a database instance and the DBM Server, select the desired instance and choose Instance ® Disconnect.
The entry for the state of this database instance
State is now Not connected. The connection to the DBM Server has been terminated and the Database Manager is also no longer able to determine the current operational state of the database instance.