Learning SQLite for iOS

Gene Da Rocha, MSc, BSc (Hons)

• Publisher: Packt Publishing
• Year: 2016
• eBook ISBN: 9781785288975
• Edition: 1
• Topic: Computer Science
• Subtopic: Programming in SQL
• Index: Computer Science

Extend SQLite with mobile development skills to build great apps for iOS devices

About This Book

• Implement Swift code using SQLite statements
• Learn the background to SQL and SQLite for mobile development, its statements, and command features through practical examples
• Extend the standard SQLite functionality and increase your software creation portfolio

Who This Book Is For

This book is intended for those who want to learn about SQLite and how to develop apps in Swift or HTML5 using SQLite. 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.

What You Will Learn

• Explore Swift's basic language statements
• Connect to SQLite and execute SQL statements
• Extend the SQLite language to create your own software extensions
• Use HTML5 with Phonegap on iOS
• Set up a Swift project using XCode with SQLite
• Administer SQLite databases in an easy and effective way

In Detail

The ability to use SQLite with iOS provides a great opportunity to build amazing apps. Apple's iOS SDK provides native support for SQLite databases. This combination offers the potential to create powerful, data-persistent applications.

This book starts with the architecture of SQLite database and introduces you to concepts in SQL. You will find yourself equipped to design your own database system, administer it, and maintain it. Further, you will learn how to operate your SQLite databases smoothly using SQL commands.

You will be able to extend the functionality of SQLite by using its vast arsenal of C API calls to build some interesting, exciting, new, and intelligent data-driven applications. Understand how Xcode, HTML5, and Phonegap can be used to build a cross-platform modern app which can benefit from all these technologies - all through creating a complete, customizable application skeleton that you can build on for your own apps.

Style and approach

This book is a practical and comprehensive guide to developing applications using SQLite and iOS.

Learning SQLite for iOS

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Table of Contents

Learning SQLite for iOS

Credits

About the Author

About the Reviewer

www.PacktPub.com

eBooks, discount offers, and more

Why subscribe?

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Downloading the color images of this book

Errata

Piracy

Questions

1. Introduction to SQL and SQLite

About SQL

Where does SQLite stand in today's industry?

iOS with SQLite

Embedded databases

The architecture of the SQLite database

Features

The advantages of using SQLite

Working with SQLite

The examples of using SQLite with iOS

Summary

2. Database Design Concepts

Database essentials

Reasons for using SQLite

Database connections

Preparing queries

Parameterized SQL

Error handling

Queries within the db.exec statement

SQL injection attacks

Creating user-defined functions

Transactions and locks

Transactions – reading/writing

Designing for SQLite

Summary

3. Administering the Database

Creating a database

Creating a table

Inserting data

Selecting data

Creating an index

Exporting data

Viewing database schema data

Index data

Schema data

Backing up the database

Database tools

Database file information

Summary

4. Essentials of SQL

Transactions

Query plan

SQL basics

Insert with a subselect clause

Update with a subselect clause

Select with a subselect clause

Data integrity

Default values

Constraint checking

Foreign keys

Updating Views

Index use

Triggers

Synchronous writes

Database locking and deadlocks

FMDB SQLite wrapper

Database creation and opening

SQL in iOS

Summary

5. Exposing the C API

SQLite C components' functionality

sqlite3_open()

sqlite3_prepare()

sqlite3_step()

sqlite3_column()

sqlite3_finalize()

sqlite3_close()

Using the C API with the open database statement

Using Swift with the open database statement

load_extension()

sqlite3_exec()

sqlite3_config()

The prepare statement

Summary

6. Using Swift with iOS and SQLite

Basic requirements

Starting an Xcode Project with Swift

Using the SQLite 3 Library

Using FMDB

Summary

7. iOS Development with PhoneGap and HTML5

HTML5 and PhoneGap development

An HTML5 framework

Hybrid applications

An Xcode project with PhoneGap, HTML5, and Swift

Summary

8. More Features and Advances in SQLite

PhoneGap plugins

Extensions to the C API

Write Ahead Logging with SQLite

The B-tree usage with SQLite

Creating a simple Swift

Summary

Index

Learning SQLite for iOS

Copyright © 2016 Packt Publishing

All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.

Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book.

Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.

First published: March 2016

Production reference: 1180316

Published by Packt Publishing Ltd.

Livery Place

35 Livery Street

Birmingham B3 2PB, UK.

ISBN 978-1-78528-897-5

www.packtpub.com

Credits

Author

Gene Da Rocha, MSc, BSc (Hons)

Reviewers

Alvaro Franco

Ting Xiao

Acquisition Editors

Larissa Pinto

Subho Gupta

Content Development Editor

Rashmi Suvarna

Technical Editor

Anushree Arun Tendulkar

Copy Editors

Charlotte Carneiro

Yesha Gangani

Ameesha Green

Project Coordinator

Judie Jose

Proofreader

Safis Editing

Indexer

Tejal Daruwale Soni

Graphics

Abhinash Sahu

Production Coordinator

Aparna Bhagat

Cover Work

Aparna Bhagat

About the Author

Gene Da Rocha, MSc, BSc (Hons) in mobile and computer science is an experienced IT professional with over 25 years in the IT industry. He has worked for a variety of companies nationally and internationally, in different industries including corporate, start-up, pharmaceutical, finance, banking, and the NHS.

Gene is also the owner and founder of a mobile solutions company, Voxstar (www.voxstar.com), based in London and Buckinghamshire. He comes from a programming and development background, and has worked with database technology, iOS, Android, Windows mobile, and a variety of other technologies.

He has been helping and advising, programming, and recently testing software for a number of companies such as DigitasLBI, Oxfam, News UK, QAWorks, Reuters, and the Association for Project Management, among many others.

About the Reviewer

Alvaro Franco is an iOS engineer and web developer. He has contributed to the iOS and OS X open source community. He has also been a part of Aluana, building Mindrop, and companies such as Mozilla, where he contributed to delivering Firefox for iOS. Alvaro is also a motorsport fan and guitarist.

Ting Xiao, is a frontend developer focusing on how to make things good on the webpage; she is also working on the development of a mobile app simultaneously. She is interested in any brain technology. According to Ting, thanks to the technology, we can know this world much better.

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