Hi Scott,

yes, exactly, you can define your own class hierarchies in OrientDB. There
is no need for a common superclass (like Object in Java), so two classes
can not have a common superclass at all.
V and E are just two conventional classes used for Graph representation

Luigi


2015-06-15 8:52 GMT+02:00 scott molinari <[email protected]>:

> Thanks Luigi. I understand better now. Maybe your great explanation above
> could be an addition to the cluster internals, to explain how OrientDB goes
> beyond an RDBMS table?;-)
>
> To me, the most smack in the face comment you made was "but take into
> consideration that you can use document classes that do not extend E or V".
> I went "Doh!", when I read that.:-) And I would suppose any subclassing of
> a parent document class would also mean the parent class "gets" all the
> documents of the children too, being it is their parent/ superclass,
> similar to E and V?
>
> Scott
>
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