View descriptors are files of member type VIEW that function in the same way as SAS data views that are created with PROC SQL ... in the example. See SAS Data Views for more information about views.

As a result, you can now create a PROC SQL view, DATA step view, or SAS/ACCESS view with DBMS data. For this example you create a view descriptor, VLIB.ALLEMP, based on SYBASE data. The outer PROC SQL ...