Re: What databases have taught me

frebe73_at_gmail.com wrote
 >
[snip]
> I think that the main disadvantage with OO is that it is not
> multi-dimensional. OO textbooks like to use animals as an example. They
> like to build a polyphormic hierarchy like this:
> Fish
> - Shark
> - Tunar
> Bird
> - Eagle
> - Condor
> Mammal
> - Horse
> - Dolphin
> - Bat
> This is the correct zooligical hierachy. But what if there are features
> (or behavior) that are common for all animals that can fly or that
> lives in water? Many business entities like bank accounts and employee
> types, are almost impossible to classify in hierachies.
Then you mix AOP in it ;)

Regards,

   Jörg Simon

-- 
Joerg Simon
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