ConnectionName connection parameter [CON]

Names a connection to make switching to it easier in multi-connection applications.

Not available for ODBC

No connection name

An optional parameter, providing a name for the particular connection you are making. You may leave this unspecified unless you are going to establish more than one connection, and switch between them.

The Connection Name is not the same as the data source name.

Connect, naming the connection FirstCon:

CON=FirstCon