(hobby :db-kind :virtual :initarg :hobby :initform nil)))
(def-view-class employee (person)
((emplid
:db-kind :key
:db-constraints :not-null
(hobby :db-kind :virtual :initarg :hobby :initform nil)))
(def-view-class employee (person)
((emplid
:db-kind :key
:db-constraints :not-null