Rust and Databases: A Practical Guide

The book "Rust and Databases: A Practical Guide" is a complete guide to integrating the Rust language with modern database management systems. Unlike many superficial tutorials, this book offers a deep dive into the architecture of data interaction, using Rust's strict type system to build reliable and performant applications.

What is the book about?
The author consistently examines three main approaches to working with databases in the Rust ecosystem:

• ORM libraries: A thorough exploration of Diesel — the most popular ORM for Rust. You will learn to design schemas, write migrations, and execute complex queries with compile-time type checking.
• Asynchronous drivers: Working with SQLx — a library that allows you to write raw SQL queries with full compile-time type checking. Special attention is given to asynchronous work with PostgreSQL, MySQL, and SQLite.
• Embedded solutions: Using SQLite as an embedded database for desktop and CLI applications. Both synchronous and asynchronous approaches are covered.

Who is this book for?
The book is intended for developers who already have basic knowledge of Rust (variables, functions, structs, traits) and want to learn how to build full-fledged applications with persistent data storage. It will be useful both for beginners encountering databases in Rust for the first time, and for experienced engineers looking to master advanced techniques (connection pooling, transactions, migrations, testing with databases).

What will the reader learn?
Over 12 chapters, you will progress from setting up the environment to deploying production-ready applications. Main topics:

• Designing database schemas considering Rust's strict typing.
• Safe work with transactions and concurrent access.
• Query optimization and using indexes.
• Integration with web frameworks (Actix-web, Axum) and asynchronous runtimes (Tokio).
• Writing migrations and managing schema versions.
• Unit testing and integration testing with real databases.
• Patterns for working with large data volumes and stream processing.

Each chapter contains practical code examples that can be run immediately and adapted for your own projects. At the end of the book, you will find a step-by-step guide to building a full REST API with a PostgreSQL connection, including authentication, pagination, and error handling.

Why Rust?
Rust offers unique advantages for working with databases: zero-cost abstractions, memory safety guarantees, and a powerful type system that allows catching SQL query errors at compile time. This book will teach you how to leverage these advantages to their full potential.

Additional materials:
The book comes with a repository containing the source code for all examples, ready-made Docker configurations for databases, and checklists for quickly starting new projects.