The name of a data source that applications use to request a connection to the data source. For example, a data source name can be registered with ODBC through the ODBC Administrator program.
The logical name used by ODBC to refer to the drive and other information required to access data. The name is use by Internet Information Server for a connection to an ODBC data source, such as a SQL Server database. To set this name, you double-click ODBC in the Control Panel.
A name given to a set of properties about a database connection. Typically the DSN contains the SQL Server database configuration for your e.Order store and location information, but not the user name or password.