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 do not allow creating new instances.
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 .