Re: OO and relation "impedance mismatch"

mAsterdam <mAsterdam_at_vrijdag.org> wrote:

[snip]

>The data in your tables need to be consistent
>with eachother at any point in time. This
>restriction is not necessary at the object
>level and may be perceived more as a hindrance
>than as a feature for the objects. During its
>life the object only needs data necessary for
>its required behaviour.

     Why is it not necessary for data to be consistent at the object level? (Or another way:) Why is it acceptable for data to be inconsistent at the object level?

[snip]

Sincerely,

Gene Wirchenko

Computerese Irregular Verb Conjugation:

     I have preferences.
     You have biases.
     He/She has prejudices.