Hello,

> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
> 
> I have an object A that have a collection reference to a list 
> of objects B.
> 
> Is anyone that could help me to understand how can I update 
> the collection reference of the object A?

It should be updated automatically when you update A.
Besides, you might have to update the respective objects, 
you have added/removed.

> My problem is that the objects B I remove from the list of 
> objects B are not deleted in the database when I update the object A.

Why would you expect that to happen? When you wish to delete an
item b from the database, you have to explicitly delete it with the
suitable API call, e.g.
        broker.delete(x);  // PersistenceBroker
or
        database.deletePersistent(x);  // ODMG

HTH,
        Olli


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