In Environment Management on the "Data" tab button as shown in the image below, you can manage the source connections of a database in one place. When the locations is changed, it will be necessary to replace. When the locations change, it will be necessary to replace it in one place, when before it was in each structure that used it.
When you click the screen will be presented, you defined the connections parameters, which is
Name: Name of the created connections
Database: here you will select which database will be used.