iphone - Local Database iOS -

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i have 15k entries , want store them in local database. further in ios app m going use data. local database should prefer in terms of performance also? how should proceed? how maximum data can store locally?

thanks in advance

i have used core data same scenario this. have found below tutorial useful

http://developer.apple.com/library/ios/#documentation/datamanagement/conceptual/iphonecoredata01/introduction/introduction.html


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