add replaceAll replacePart delete
Updating operations may be assisted through the appropriate choice of value from this enumeration. Four kinds of operations are recognized.
add: the object is to be added to the product or geographic object, (as identified in UpdateOperation.
replaceAll: the object is intended as a complete replacement for a previous copy.
replacePart: Partial modification to an existing object is required. It implies that only those parts of the object which contain values, i.e., which are specified, should replace the previous values.
delete: the geographic object should be deleted from the database. If deletion is the intention, the geographic object still must be defined, but with unspecified attributes.