A data source is a reference in the application definition to a database structure definition (an .inf file) and possibly a dataset therein.
The data sources that you specify in an application, refer to the databases and/or datasets that may be accessed from the running application. If the access rights to this data source for a specific user allow it, the data source will be listed in the Select data source window in a running application. From this list the user selects the database or dataset in which he or she wants to search for or edit records.

See also

Accessing the application setup

Managing application objects

Data source properties

Data source access rights

Screen references for data sources