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 .