为什么需要核心数据？如何实施？
- iPhone开发中需要什么Core Data？
- 实施的步骤是什么？
- 核心数据中的验证、迁移是什么意思？
- What is the need of Core Data in iPhone development?
- What are the steps to implement it?
- What is mean by validating, migration in Core Data?
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我已经关注这个问题有一段时间了，由于没有人给出答案，我想我应该尝试一下让你开始（如果你还没有谷歌搜索）。我也是 coredata（和 iphone 应用程序开发）新手，以下是我用来入门的资源：
斯坦福 iPhone 应用程序课程：https://podcasts.apple.com/us/podcast/iphone-application-development-winter-2010/id384233225 有作为 Paparazi 系列作业的一部分，它有一个很好的 CoreData 方面。
幻灯片如下：https://web.stanford。 edu/class/cs193p/cgi-bin/drupal/downloads-2010-winter
正如您可能知道的，iPhone 开发人员空间在这里有很多教程和示例代码：
https://developer.apple.com/ios/
而且，本教程看起来非常全面：
我
我知道 我没有回答你的问题（特别是与迁移有关的问题），而且自从你一周前问过以来，你可能已经自己用谷歌搜索过它 - 但希望这些资源中的一些可以帮助你，就像它们帮助我一样。
I've been watching this question for a while, and since no one has jumped in with an answer I thought I'd give it a shot to get you started (if you haven't already google'd yet). I'm a coredata (and iphone app development) newbie too, here are the resources that I used to get me started:
The Stanford iPhone App course: https://podcasts.apple.com/us/podcast/iphone-application-development-winter-2010/id384233225 has a good CoreData aspect to it, as part of the Paparazi series of assignments.
with slides here: https://web.stanford.edu/class/cs193p/cgi-bin/drupal/downloads-2010-winter
As you probably know, the iPhone Developer space has a lot of tutorials and sample code here:
https://developer.apple.com/ios/
And, this tutorial looks quite thorough:
http://www.techotopia.com/index.php/An_iPhone_OS_Core_Data_Tutorial
I know I'm not answering your question (especially relating to Migration), and since you asked over a week ago you've probably google'd it yourself - but hopefully a couple of these resources help you out as they helped me.