Creating a unique id for a Core Data program on the iPhone

Question

I am having a bit of trouble figuring out this Core Data stuff. How do I create a new entry with a unique ID? In SQL I would just declare one field as an autoincrement fie

Answer 1

i think this will be usefull in such conditions.

http://lists.apple.com/archives/cocoa-dev/2006/Jul/msg01801.html We can get maxExistingID . SO we can increment that when saving a new item