DBFieldDef :: IsTransientCollection - Does property define a transient collection?
The function returns, whether the property defines a transient collection (true) or not (false). In contrast to temporary collections, transient collections are not stored in a temporary database (temporary main base).
When the function is called with an invalid property definition it, throws an exception.
Return value: Return value ( logical )
The function returns YES when the question was answered positively. Otherwise it returns NO.