Newbie just getting started with V4RB: Is-a relationships

[Gunnar Swan]

>clarify a couple of issues about hierarchical relationships in  Valentina before I get started with database design.
>
>Say I have an object "Book"  with all the usual fields. It is a 
>subclass of VBaseObject. If I need to specialize Book into 
>"ManuscriptBook" (for example) can I subclass it and inherit all the 
>properties of Book? 

Using UML (Universal Modeling Language)  or ORM (Object Role Modeling) to design a relational database schema that resolves your objects, subclassing and collections is one way 
to approach the issue.

Gunnar Swan