Introduction to Database Management Systems

The book Introduction to Database Management Systems is designed to provide a comprehensive understanding of the fundamental concepts, principles, and practices that form the backbone of database technologies. Databases play a critical role in the digital era, serving as the foundation for storing, organizing, retrieving, and securing vast amounts of data. From small-scale business applications to large-scale enterprise solutions, databases are essential for managing information in a structured, efficient, and reliable manner.
This book takes readers on a progressive journey, beginning with the origins and need for databases and advancing toward more complex topics such as relational models, normalization, query languages, transaction management, and modern database architectures. It is crafted to balance theoretical knowledge with practical application, enabling readers to not only understand how databases function but also how to apply this understanding to real-world scenarios. Special emphasis has been placed on relational databases, SQL, and the structural organization of data. In addition, the book touches upon emerging trends, including NoSQL databases, distributed systems, and cloud-based database solutions, thereby providing learners with a holistic view of the evolving data landscape. The book is suitable for undergraduate students, postgraduate learners, and professionals who are either beginning their journey in database systems or looking to strengthen their knowledge. With clear explanations, illustrative examples, exercises, and case studies, it encourages both conceptual clarity and practical problem-solving.
By the end of this book, readers will have acquired the necessary skills to design efficient database systems, write optimized queries, and appreciate the role of database management in ensuring data integrity, consistency, and accessibility in today’s interconnected world.