Re: A Normalization Question

neo55592_at_hotmail.com (Neo) writes:

> As some have repeated here, RM is a logical model. In general, its
> implementations doesn't expose the physical layer. The three 'brown'
> strings stored in a relational database are logically redundant and
> are subject to update anomalies.

The three textual representations "brown" have different meanings. Thus they are not redundant (on the logical/meaning level).

You stick to the physical representation of data/facts. All others are speaking about the meanings of the data -- that's the logical layer.

-- 
Stefan.