Use Core Data do not know how to update the data! ! ! Solving ・

I was doing the development, Core Data fetch data and delete data and to achieve, but I want to get a piece of data, and modify it, specifically how to do Nan? ?
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How the whole database with similar ⋯ ⋯
This thing is a collection of data, no need to succeed can be so powerful whole.
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Oh, I have achieved. Now you can query the data, it then sqlite to update the data if it is more complicated.
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The reply was deleted at the moderator 2011-08-22 10:37:49

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Oh, read the second time, not to bear stickers.