As a developer, you will run into many different situations where you will need to store data. Users will expect your application to remember many things each time you launch it. In previous chapters, we discussed the Book Store app. With this app, users will expect your application to remember all of the books in the bookstore and default database location. Your application will need a way to store this information, retrieve it, and possibly to search and sort this data. Working with data can sometimes be difficult. Fortunately, Apple has provided methods and frameworks to make this process easy.
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