Books like Database Design for Mere Mortals by Michael J. Hernandez

A practical, 7th‑edition guide that teaches SQL from the ground up, covering design, security, data retrieval, and new SQL/XML 2008 features across Access, Oracle, SQL Server, and MySQL.

Updated for the latest database management systems, this introductory guide will get you up and running with SQL quickly. Whether you need to write database applications, perform administrative tasks, or generate reports, Learning SQL, Second Edition, will help you easily master all the SQL fundamentals. Each chapter presents a self-contained lesson on a key SQL concept or technique, with numerous illustrations, annotated examples, and exercises to let you practice the skills you learn.

Such textbooks are very necessary, because if you delve into the topic, you can understand many complexities. I also want to recommend a useful article where you learn about mysql optimize table https://www.devart.com/dbforge/mysql/studio/optimize-mysql-table.html . By the way, the powerful dbForge Studio integration environment will help you with this, as it contains a complete set of necessary tools.

The best selling database design book is now even better! Database Modeling & Design is a comprehensive guide to DB design for commercial database products and their applications. Throughout, Toby Teorey offers practical and immediately usable techniques for transforming the ER model into SQL data structures. The proliferation of SQL-compliant databases on LAN servers and PCs has spurred the demand for applications written for these relational and object-oriented databases. Professionals from many background can learn to design database applications effectively, using Database Modeling & Design. The topic organization follows the design process and issues are introduced as needed, with the development of the design. The presentation is accessible and allows for immediate application of the design methods, yet rigorous enough for the reader to get solid results. Database Modeling & Design is ideal for the DB practitioner and applications programmer and for those with computer experience but no previous DB training. . New to this Edition: A simple introduction to the terms and concepts of relational databases for those new to DB application programming; a complete description of SQL with 20 sample queries; object data modeling and its relationship to ER modeling for easy conversion when needed; figures and examples utilize standard Chen notation; new coverage of DB tuning; and a new case study: an intuitive employee database example that allows the reader to concentrate on concepts rather than on the specifics of the database.