DBFieldDef :: IsTemporaryCollection - Does property define a temporary collection?
The function returns, whether the collection has been defined as temporary collection or temporary collection (true) or not (false). In contrast to transient collections, temporary collections allow creating 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.