CODEWITHSUNDEEP
iphonecocoacore-data
dontWatchMyProfile
dontWatchMyProfile

Reputation: 46400

Which are the most noteable things which make working with Core Data different than with MySQL?

One thing I have in mind is, that datasets in Core Data (or lets say: managed objects) have no ID like known from other databases such as MySQL. Also, they're not in a specific guaranteed order.

What else makes Core Data much more "special" compared to working with a relational database like MySQL? Besides the whole object graph persisting and ORM stuff?

Upvotes: 1

Views: 493

Answers (2)

Ukko
Ukko

Reputation: 2266

The big difference I would say is that Core Data is built on an ORM, an Object Relational Mapping, while MySQL is just a relational database. You could actually host CoreData on MySQL if Apple wanted to let you. Instead they use a different embedded SQLight solution or an XML representation depending on what you want for your backing store.

Upvotes: 1

hooleyhoop
hooleyhoop

Reputation: 9198

This is a good article explaining the main differences. The biggy for me is

'Core Data cannot operate on data without loading the data into memory'

This alone makes core-data and MySQL suited to totally different tasks.

Upvotes: 2

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