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Re: core data - beyond the simple example

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Re: core data - beyond the simple example

Subject: Re: core data - beyond the simple example
From: Torsten Curdt <email@hidden>
Date: Sat, 5 Apr 2008 01:39:30 +0200

I've followed some tutorials to get started but somehow I am a bit lost when I want to do some more complex things. This might actually be more because of bindings than because of core data. Or maybe I just did not look at the right place. Maybe you guys can give me some hints links and so on.
Most of your questions are about Cocoa Bindings or NSTableView (AppKit). So those would be good technologies to look at, especially in developer.apple.com documentation.

The Core Data Programming Guide should give you a good idea about which technologies and classes lie within the Core Data framework, and which you should search out elsewhere.

<http://developer.apple.com/documentation/Cocoa/Conceptual/CoreData/cdProgrammingGuide.html >

I will definitely dig into that a bit more now that I got the little demo app working. It's a bummer the headstart videos are only available with a non-free ADC membership.

Other links include <http://cocoadevcentral.com/> and <http://www.cocoadev.com > and <http://osx.hyperjeff.net/Reference/CocoaArticles.php?cat=all> and pretty much all their external links.


Uh ...didn't know hyperjeff. Nice collection of links!

I was also wondering ...what if we are talking about 1M objects (or
rows thinking of it in terms of a database). How does this scale?
If you're on 10.5, the framework can handle millions of rows.


Great.

Also I am wondering about migrations. When you change the data model and users upgrade the application. How can one define the migrations?
On 10.5, Core Data has both tools in Xcode, and classes in the framework for this. They're called mapping models and NSMappingModel respectively.


Thanks, Ben!!

cheers
--
Torsten
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  >re: core data - beyond the simple example (From: Ben Trumbull <email@hidden>)




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