This book introduces the fundamental concepts necessary for designing, using, and implementing database systems and database applications. It stresses the fundamentals of database modeling and design, the languages and models provided by database management systems, and database system implementation techniques. The book is intended for a one- or two-semester course in database systems at the junior, senior, or graduate level, and as a reference book. The goal is to provide an in-depth and up-to-date presentation of the most important aspects of database systems and applications, and related technologies.

This textbook is designed for computer science students at the junior, senior, or graduate level, serving as both a course text and a reference book. Its comprehensive coverage of database systems, modeling, design, and implementation techniques makes it a valuable resource for understanding the core principles of the field. The presentation aims to be thorough and current, reflecting the latest advancements and technologies in database systems and applications. It assumes a foundational knowledge of elementary programming and data-structuring concepts.