Python & SQL for Beginners

Learn to connect Python with real-world data-fast. Python & SQL for Beginners is the complete guide to combining two of the most in-demand skills in tech: programming with Python and managing data with SQL. This book walks you through the essentials of building data-driven Python applications using SQLite, MySQL, and PostgreSQL-even if you've never worked with a database before. You'll start by learning the basics of SQL: creating tables, inserting data, and writing queries. Then, you'll move into Python and learn how to integrate both using libraries like sqlite3, SQLAlchemy, and psycopg2. Inside, you'll discover how to: Understand relational databases and how they work Set up and manage your own SQLite, MySQL, or PostgreSQL databases Connect to databases from your Python applications Create, read, update, and delete data with SQL commands Build simple CRUD apps from scratch Handle errors, transactions, and security best practices Use SQLAlchemy ORM to write cleaner, scalable database code Generate reports, build dashboards, or power backend web apps Each chapter includes code examples, hands-on exercises, and practical use cases. Whether you're working on your first portfolio project or building tools for work, this book gives you the skills to integrate Python and databases with confidence.