PHP and Databases: A Practical Guide

The book "PHP and Databases: A Practical Guide" is a comprehensive textbook for anyone who wants to master PHP interaction with relational databases. The author, Alexey Smirnov, an experienced web developer with 10 years of experience, shares proven techniques and real-world cases.

What is this book about?

The guide covers all key aspects of working with databases in PHP:

• SQL basics: creating tables, selecting, inserting, updating, and deleting data.
• Working with popular DBMS: MySQL, PostgreSQL, and SQLite.
• Using PDO (PHP Data Objects) for secure and flexible interaction.
• Protection against SQL injections, prepared statements, and data escaping.
• Performance optimization: indexes, caching, query profiling.
• Database schema design: normalization, relationships, foreign keys.
• Working with transactions, error handling, and connection management.
• Practical projects: a blog, an online store, an authorization system.

Who is this book for?

• Beginner PHP developers — who already know the basics of the language and want to learn how to work with databases.
• Intermediate web programmers — looking to systematize their knowledge and master advanced techniques.
• Students and self-taught learners — seeking structured material with practical examples.
• Developers in other languages — who are transitioning to PHP and want to quickly learn database work.

What will you learn?

• How to properly design databases for web applications.
• How to write secure code resistant to attacks.
• How to choose the right DBMS for a specific task.
• How to optimize queries for working with large volumes of data.
• How to build complete CRUD applications from scratch.

The book is written in accessible language, contains numerous code listings, diagrams, and explanations. Each chapter ends with practical assignments to reinforce the material. You will be able to immediately apply the knowledge gained in real projects.

"PHP and Databases: A Practical Guide" will become your reliable companion in the world of web development. Whether you are creating a simple business card website or a complex corporate application, this book will give you all the necessary tools and knowledge.