Now that we have covered the basics of Core Data, let's proceed with some code examples of how to use Core Data, where we use Core Data to store customer details in a
Customer table. The information we want to store is:
Do note that all attribute names must be in lowercase and should not have spaces in them. For example, we will use Core Data to store customer details mentioned earlier as well as retrieve, update, and delete the customer records using the Core Data framework and methods.