On Wed, 14 Jul 2004 09:39:13 -0700, Neo wrote:
>> What matters there is if there are are update anomalies, and there are
>> none iff there is no logical redundancy.
>
> ID Peron Color Street
> 1 brown brown brown
>
> To create an update anomaly, we need to perform an update. [...]
You already gave the example before. As already explained, it doesn't
demonstrate an update anomaly in the usual meaning of the word. It only
shows that a very specific update that very probably will never happen
becomes easier in your representation at the cost of making a very common
type of update (updating a string in a field) more difficult and costly.
Received on Wed Jul 14 2004 - 14:17:22 CDT
