Adding Records at Start

Cindy Brown cindy at kowhaiprogramming.com
Thu Jan 8 21:30:38 CST 2004


Hi Ruslan

I see your point.

>> 
> Not agree.
> 
> Look, in your example the DIFFENRENT students have the same last name.
> Students, are DIFFERENT real world objects.
> So here there is NO duplication of data.
> 
> But If you will do table PERson/Phones as
> 
>   Ruslan Zasukhin 1111
>   Ruslan Zasukhin 2222
>   Ruslan Zasukhin 3333
>   Ruslan Zasukhin 4444
> 
> You get duplicated because you repeat data of the same real world object in
> few records. This is bad.
> 
> It is bad for example, because IF I need change one letter Ruslan -> Rulan
> It is very hard do this.

Cindy



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