Databases

Databases are everywhere and understanding them is a fundamental skill in computer science. This book provides a clear and systematic introduction to databases and database management systems. It explains the essential concepts of data models, relational databases, SQL, and database design, while developing a deeper understanding of how database systems work and why they are structured the way they are. The emphasis is on understanding rather than memorizing individual commands. Numerous examples and exercises with detailed solutions help readers consolidate their knowledge, develop problem-solving skills, and confidently apply what they have learned in their studies or professional training. The book also provides an introduction to advanced topics and open research questions, offering insights into current developments and future challenges in database technology. Written for computer science students, students of related disciplines, IT trainees, and motivated beginners, this book provides a solid and lasting foundation for understanding and working with database systems.