Greetings.

I'm building a iPhone application which is database driven.
in that application i've designed it to have two databases.
One database will be distributed with the application and is meant to be read 
only.
the second database is meant to copy items to it for the user's safe keeping.

the reason for this is that the application update will also include a 
refreshed database
and as such if i only link to the records it might happen that the record that 
the user 
wished to keep would of been purged from the original database.

evidently the structure is quite the same on both, with the exception of some 
additional fields
in the user database.

when the application starts it complains that it can not merge the two models.
i've been looking on the net but found nothing of significance.

is it possible to have two separate database in the same application on the 
iphone.
and what are the steps to make it happen.

do i have to duplicate the Core data initialization procedures and maintain 2 
distinct managed object contexts?

thank you for any pointers.
Best regards.
Sandro Noel._______________________________________________

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