Definicja virtual attribute
A criteria for which a read procedure always has to be implemented, since no field content in the database corresponds to this criteria.
Its value is established by evaluating what may be complex database contents at runtime. Typically, multiline attributes and attributes that refer to an object with several key fields should be implemented as virtual attributes.
A virtual attribute can return the value of an ABAP Dictionary field or an object reference.
Słownik i definicje SAPa na V.