SwiftData

Persist, query, and manage structured data in iOS 26+ apps using SwiftData with Swift 6.3.

Contents

• Model Definition
• ModelContainer Setup
• CRUD Operations
• @Query in SwiftUI
• #Predicate
• FetchDescriptor
• Schema Versioning and Migration
• Concurrency (@ModelActor)
• SwiftUI Integration
• Common Mistakes
• Review Checklist
• References