Sometimes applications are required to save and manipulate user data. iOS SDK provides a framework for this purpose known as Core Data.
The Core Data framework provides comprehensive and automated solutions related to an object's life cycle and its searching and persistence features. It can retrieve and manipulate data purely on an object level without having to worry about the details of storage and retrieval.
With Core Data, data can be handled using higher-level objects indicating entities and their relationships. Core Data interfaces directly with SQLite, separating the developer from the underlying SQL.
So does it mean Core Data is a database? No; Core Data is not a database and the best example of this is that Core Data can be used totally in memory without any form of persistence. Then is Core Data similar to an ORM such as Active Record or Hibernate? No; Core Data is an object graph manager with life cycle, searching, and persistence features. With Core...
