Databases Made Easy — A Friendly, Visual Guide to Tables & SQL (eBook, PDF)

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Across 20 clear, easy-to-follow chapters, you'll build real foundational database thinking: how data is structured, how tables relate, and how to write SQL to store, retrieve, and analyze it.

What's inside:

• Tables and rows, and how relationships connect them
• Primary keys and foreign keys explained simply
• Writing your first SQL query and the four CRUD operations
• Filtering and sorting with WHERE and ORDER BY
• Joining data across tables and aggregating with functions
• Normalization and database design best practices
• Data types, database security and SQL injection basics
• Popular systems (MySQL, PostgreSQL, SQL Server, SQLite)
• Backups, performance and indexing
• A hands-on design project, glossary, and a quick-reference SQL cheat sheet

Part of the "Office Skills Made Simple — A Visual Guide Series." Delivered as a downloadable PDF.