Database Essentials for Web Developers: A Practical Guide to RDBMS, SQL, MySQL, PostgreSQL, Oracle, Indexing, and Tuning

The Database Book Written for Developers, Not DBAsYou write SQL every day, but do you really understand what happens behind the scenes? This book bridges the gap between "knowing SQL syntax" and "understanding databases."What You'll Learn: - Part 1 - RDBMS fundamentals, SQL syntax differences across databases, and how to choose the right DB- Part 2 - MySQL/MariaDB architecture, storage engines, and essential configuration- Part 3 - Why PostgreSQL is special, and a head-to-head comparison with MySQL- Part 4 - Oracle architecture, licensing reality, and Tibero migration guide- Part 5 - Index design, reading execution plans, transactions and lock management- Part 6 - Backup strategies, connection pooling, and session managementWho This Book Is For: - Web developers who use databases daily but want deeper understanding- Backend engineers preparing for system design interviews- Developers migrating between Oracle, MySQL, PostgreSQL, or Tibero- Anyone who wants to write faster queries and design better schemasIncludes 8 architecture diagrams, 3 appendices (SQL syntax comparison, data type mapping, error message dictionary), and practical examples from real-world projects.