The new version of Word includes a feature called smart tags, which will allow word-processing documents to be connected automatically to vast databases on the Internet.
Wordnet is connected to several databases of the Semantic Web.
The October 31 variant tries to find other Oracle databases in the same subnet and uses private database links to connect to remote databases.
In the early 1990s NeXT Computer recognized that connecting to databases was essential to most businesses and yet also potentially complex.
By using Java and JDBC drivers allow you to connect to multiple databases.
Several implementations of the language are capable of running as an Application Server like Citrix, and connecting to remote databases through a data manager.
ST-Links SpatialKit - Extension for directly connecting to spatial databases.
DatabaseSpy can connect to multiple databases simultaneously, including databases of different types.
The use of a common graphical interface to connect to multiple databases, even on different platforms, is cited as a valuable feature.
I agree it would need to connect to multiple databases (nobody wants to check with multiple apps), maybe through a standardized web service interface.