Need good example database schema

[Patrick K. O'Brien]

cartermark46 at ukmail.com (Mark Carter) writes:

> pobrien at orbtech.com (Patrick K. O'Brien) wrote in message news:<m2ad9sikm3.fsf_-_ at orbtech.com>...
> 
> > I'm looking for a good schema to use as an example for an object
> > database system.  Something like a books/authors/publishers or
> > teachers/students/courses kind of thing.  There are plenty of
> > examples of such to be found, especially in the academic
> > literature involving object databases, but most of them are
> > pathetic.  It's hard to take a schema seriously when it shows
> > MarriedTeacher inheriting from Teacher, etc.  I want something
> > that makes proper use of inheritance, has classes with reasonable
> > attributes, and does a decent job reflecting reality (ie, books
> > can have more than one author, a teacher of one course could be a
> > student of another, etc.).  Any suggestions?
> 
> I found a link:
> http://www.geocities.com/tablizer/oopbad.htm
> (and there are others) who suggest that object-oriented databases
> aren't a good idea. Tabular databases (and in fact a tabular design
> rather than an object-oriented design in general) are more often
> than not likely to be a better bet.
> 
> But I am of course generalising.

In that case, maybe I should stop developing my Python ODBMS.  ;-)

-- 
Patrick K. O'Brien
Orbtech      http://www.orbtech.com/web/pobrien
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