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# Basic CoreData
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http://www.appcoda.com/introduction-to-core-data/
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## You should do the following:
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1. Create a branch from develop called feature/basic_coredata
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2. Add CoreData to the project.
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3. Add CoreData model, which describes existing organization and employee entities.
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4. Implement all necessary classes, objects and methods to initialize and use CoreData.
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5. Modify or re-create organization and employee classes, so they become subclasses of `NSManagedObject` and correctly work with CoreData.
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6. Rework the logic of the application, so CoreData correctly works and saves all the changes.
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7. Implement possibility of removing employees from an organization by swiping a cell of the table to the left. This is native functionality and thus should be implemented using native methods and properties of `UITableView`.
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## You should be able to answer the following questions:
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* What is CoreData?
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* What is `NSManagedObject`?
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* What is a relationship?
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* What is one-to-one and one-to-many relationship?
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* What is `NSManagedObjectContext`? How could it be saved and what happened if it is not saved?
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* Are there other ways of storing data in a file? |
