Advanced Swift 2 Application Development (Video 15)

This video tutorial covers data management using Core Data, focusing on retrieving, updating, and handling duplicates. It addresses a bug causing duplicate entries and demonstrates how to implement unique identifiers for data items. The tutorial also explains schema changes, versioning, and methods for selecting and fetching data. By the end, viewers will understand how to manage data effectively without duplicates.

What role does the predicate play in fetching data from the database?

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How do you handle duplicates when creating new entries in the database?

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What changes need to be made to the dream view controller to accommodate the new ID system?

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