Re: Database design, Keys and some other things




"JOG" <jog@xxxxxxxxxxxxx> wrote in message
news:1127753335.528946.79940@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> Ok, to describe that better with an example:

> Consider you have a car and over 20 years you gradually bit by bit
> change every single part of it. The paint job, the engine, the
> interior, the chassis... everything, bit by bit. After 20 years it
> doesn't have a single component that was originally in it. It is still
> the SAME car?

What are the attributes of this car ?
Certainly not the paint, the engine, the chassis, the chairs, the wheels,
etc.
Could the car be represented as an atomic value, a relation, a database or
what ?


.



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