(Whoops, accidentally replied only to Jens at first! Sorry about that.)
>From http://developer.apple.com/macosx/coredata.html
Core Data builds on some of the concepts of enterprise-class database
application frameworks, such as the Enterprise Objects Framework in
WebObjects. However, make no mistake, Core Data is not an
object-relational database access framework. Instead, it uses concepts
from the database world to take application data management to a new
level.
Save yourself a lot of pain and take the above to heart. Core Data
involves a lot of machinery for things that don't have much to do with
RDBMSs. If you want a relational database, use one.
On Wed, May 21, 2008 at 9:54 PM, Jens Alfke <email@hidden> wrote:
>
> On 21 May '08, at 6:20 PM, Devraj Mukherjee wrote:
>
>> environment. I am searching for RDBMS server products provide native
>> Cocoa/CoreData support.
>> My research reveals Postgres and MySQL support seems flaky.
>
> Huh? I thought CoreData only worked with sqlite (and XML files.)
>
> I don't think there's any reason to use it with a database server, since
> CoreData has no multi-user support. (It caches rows as objects, and if
> another client modifies the database, you'll need to implement some
> mechanism to find out which rows changed and tell CoreData to flush the
> corresponding objects.)
>
> —Jens
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