Inside this file, you import all the Objective-C classes that you need to be exposed (note that these Objective-C classes must be public). To access Objective-C code using Swift within the same target, you'll need an Objective-C bridging header file. It is recommended to read this article before, or during, migrating your Objective-C project to Swift and prior to reading this article.
Expose Swift code to Objective-C, you'll need to import the Swift Bridging Header file, created by Xcode. Expose Objective-C code to Swift, you’ll need an Objective-C Bridging Header file. Chapter 108: 8.In a mixed-language project (a project which has both Objective-C and Swift), you’ll most likely want to expose the Objective-C code to Swift and vice versa. Chapter 106: An Xcode project with PhoneGap, HTML5, and Swift. Chapter 103: HTML5 and PhoneGap development. Chapter 98: Starting an Xcode Project with Swift. Chapter 90: Using Swift with the open database statement. Chapter 89: Using the C API with the open database statement. Chapter 82: SQLite C components' functionality. Chapter 78: Database creation and opening. Chapter 76: Database locking and deadlocks. Chapter 67: Select with a subselect clause. Chapter 66: Update with a subselect clause. Chapter 65: Insert with a subselect clause. 
Chapter 54: Viewing database schema data. Chapter 44: Transactions – reading/writing. Chapter 42: Creating user-defined functions. Chapter 40: Queries within the db.exec statement. Chapter 31: The examples of using SQLite with iOS. Chapter 29: The advantages of using SQLite. Chapter 27: The architecture of the SQLite database. Chapter 24: Where does SQLite stand in today's industry?. Chapter 18: Downloading the color images of this book. Chapter 17: Downloading the example code. Chapter 12: What you need for this book. 
Chapter 8: eBooks, discount offers, and more. Administer SQLite databases in an easy and effective way Set up a Swift project using XCode with SQLite Extend the SQLite language to create your own software extensions Connect to SQLite and execute SQL statements 
Explore Swift's basic language statements Whether you are an expert Objective-C programmer or new to this platform, you'll learn quickly, grasping the code in real-world apps to use Swift. This book is intended for those who want to learn about SQLite and how to develop apps in Swift or HTML5 using SQLite. Extend the standard SQLite functionality and increase your software creation portfolio
Learn the background to SQL and SQLite for mobile development, its statements, and command features through practical examples Implement Swift code using SQLite statements Extend SQLite with mobile development skills to build great apps for iOS devices
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