sorry keepin gin the lsit.

On Tue, Aug 11, 2009 at 12:41 PM, Gustavo Pizano <[email protected]
> wrote:
Ahmm so I can relate Area to itslef?
 interesting.. well I guess in the java class will be something like \

public Area ....
private NSArray <Area> areas...

or something like that.

*another thing, but in the db I will need 2 tables isn't it? one area and
anotherone SubAreas, I hadn't made such a inheritance in a relational world.
*


G.

On Tue, Aug 11, 2009 at 12:38 PM, Stefan Klein <[email protected]>wrote:

>  Hi Gustavo,
>
> you need only one entity.
>
> Area:
>     area_pk
>     parent_area_fk
>     foo
>
> Now you build a relationship area_pk <->> parent_area_fk.
> So each area can have many 'subareas' while one are has only one parent
> area.
>
> Stefan
>
>
> Gustavo Pizano schrieb:
>
> Hello Im doing an eomodel.. .and I have an entity called Area, and SubArea,
> for me an area can have many subareas, but subarea its an area itself also..
>
> so its like Area <- >>SubArea.
>
> Now what are the implications of defyning Area with its properties, and
> then SubArea and put as parent Area?... I see that inside Area Entity there
> is SubArea Entity also... but I guess this doesn't guaranties me the to-many
> relationship between the 2 entities isn't it?do  I still have t defying the
> relationship?
>
>
> Thanks
>
>  Gustavo
>
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