Use the add connection… button to add any database connections to your application. You will be prompted to:
Once you have saved the connection settings, clicking on the connection you have made in the Database connection list will show the settings for that connection. Here you are able to change any of the settings and use the test button to test the connection. Use the save button to make the changes permanent.
Finally the settings you have entered can be tested with the test button before
When retrieving data using a database action you will prompted to select a connection.