Rather than have to manually connect to one or more databases every time you start Toad, you can configure Toad to start selected (or all) connections automatically when you start Toad.
To automatically open connections
Click 
You can also select Session | New Connection.
in the standard toolbar to open the Database Login window, and then double-click the previous connection from the grid.
in the standard toolbar, and then select a connection from the list. You can easily change the connection in an open window to a connection you currently have open or a connection that you have recently used.
To change the active connection in a window
Click the arrow beside 
To test connections if the session has dropped
Select Session | Test Connections (Reconnect)
or
Session | Test All Connections (Reconnect)
To test connections in the Database Login window
Select connections in the grid and click 
