PHP and Databases: A Practical Guide

The book "PHP and Databases: A Practical Guide" is a comprehensive resource for anyone who wants to master working with relational databases in conjunction with PHP. Whether you are creating a simple blog, an online store, or a corporate CRM, this book will become your reliable assistant.

The author, Alexey Smirnov, a practicing web developer with 10 years of experience, shares proven techniques and approaches that can be immediately applied in real projects. The book is written in a lively language and contains many code examples ready for use.

What you will learn from the book:

• SQL basics: creating tables, queries, joins, subqueries, and transactions
• Working with three popular DBMS: MySQL, PostgreSQL, and SQLite
• Using PDO for secure and universal database interaction
• Protection against SQL injections and other vulnerabilities
• Query optimization and indexing for high performance
• Data schema design and normalization
• Working with ORM (using Doctrine and Eloquent as examples)
• Migrations, backup, and data recovery

Who this book is for:

• Beginner PHP developers who want to learn databases from scratch
• Experienced programmers looking to systematize their knowledge and learn new techniques
• IT students and teachers
• Anyone transitioning to PHP from other languages and wanting to quickly master working with databases

Special attention in the book is given to practical tasks. Each chapter ends with exercises that will help reinforce the material. You will learn not just to write queries, but to design reliable and scalable systems.

In the appendices, you will find a reference guide to SQL commands, a list of common errors and ways to fix them, as well as templates for typical tasks. The book is suitable both for self-study and as a desktop reference.

Make your PHP applications fast, secure, and professional — start with this book!