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Editorial Team
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Asked: 2026-06-03T05:38:25+00:00

I have two Data Base which is shown in the attacted picture I have

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I have two Data Base which is shown in the attacted picture enter image description here

I have the NewRelease Object and i want to get it’s parent Object which is Contract. Means i want to know that this NewRelease Object belong to which Contract. I am unable to fetch the data can any one guide be what should be a rite predicate for this situation. I am successfully fetching the data for it’s inverse case in NewRelease and Signature Table using this predicate Line 

NSArray *filterResults = [mutableFetchResults filteredArrayUsingPredicate:[NSPredicate predicateWithFormat:@"hasNewReleases = %@",aNewRelease]];

where aNewRelease is my NewRelease Object now how can i fetch data from Contracts Table using NewRelease Object.

There is “One to Many” Relation between NewRelease and Contracts such that one single Contract can belong to multiple NewReleases. Npw as i have mention above i have newRelease Object and i want to know that this newRelease belong to which Contract.

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1 Answer

  1. Editorial Team

    Add relationship between NewRelease and Contract table , then whenever you will fetch data from NewRelease or Contract entity ,you can access the data with its associated relationship.
    Check the following example : http://www.raywenderlich.com/934/core-data-on-ios-5-tutorial-getting-started

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