Surely you are not suggesting that you want to have _no_ primary key at all?

(The primary key does not need to be a separate column named "id", if you
want to use something else instead.)

/Oskar


2009/4/16 kor <[email protected]>

>
> NOTE: with 'entity' i mean an object that needs to be saved in the db
>
> hi all, i have 2 question about working with entities without an id
>
> 1) it's possible to save an entity without generating an id column in
> the db?
>  i have a simple class as
>
> class Result
> {
> int Value;
> DateTime Time;
> }
>
> to have the simplest db i want know if there's a way to have in the
> Result table only the 2 columns of the property without the id column
> wich i will never use.
>
> 2)the realy important question:
>  what limitation i have if i work with an entity without an id
> property in the .net object?
>  there's some article where there's a description of this situation?
>  i see for example that if a entityes reference an object without an
> id property with a many-to-one relationship
>  the delete-orphan option did'nt work (i don't make a deep test on
> that so i'm not 100 % sure).
>  i'm interested to know what i loose if i don't use id to choose
> between the 2 option (use an entity with/without the id)
>
> thanks all
>
>
>
> >
>

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